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Blocks

Small blocks for your control lines, large blocks for your mainsheet. At Force 4 we have the best selection of blocks from Allen, Harken, Ronstan, RWO and many more. Choosen by sailors for sailors

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Blocks | Cleats | Fairleads & Bushes | Buoyancy Bags | Hatches | Bungs & Bailers | Deck Eyes, Hooks & Clips | Keel Band & Slot Gaskets | Anti-Chafe Materials | Shackles, Pins & Rings | Kicker Systems | Toestraps

Blocks
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Ronstan
SHOCK - The Sheaveless Block (Pack of 2)
Catalogue Code: M860775
£13.95
Save £0.80 RRP £14.75
Available to buy online
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Allen
High Load Thimble
Catalogue Code: 880475
£8.35
Available to buy online
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Barton
High Load Eye
Catalogue Code: M880277
£10.70
Available to buy online
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Antal
Low Friction Rings
Catalogue Code: M880354
£9.55
Available to buy online
Harken
Micro Single
Catalogue Code: HA224
£12.95
Harken
Micro Single/Becket
Catalogue Code: HA225
£14.95
Available to buy online
Harken
Micro Upright
Catalogue Code: HA243
£17.95
Available to buy online
Harken
Micro Double
Catalogue Code: HA226
£31.95
Available to buy online
Harken
Micro Double/Bkt
Catalogue Code: HA227
£34.95
Available to buy online
Harken
Micro Triple
Catalogue Code: HA228
£46.95
Harken
Micro Triple/Becket
Catalogue Code: HA229
£47.95
Available to buy online
Harken
Micro Triple/Cam/Bkt
Catalogue Code: HA231
£95.95
Save £8.65 RRP £104.60
Available to buy online
Seasure
25mm Shouldered Block
Catalogue Code: 860240
£6.55
Available to buy online
Seasure
25mm Halyard Block
Catalogue Code: 860239
£6.55
Available to buy online
Seasure
Single Block with Hollow Rivet
Catalogue Code: 860904
£8.70
Available to buy online
Seasure
Single Block with Becket
Catalogue Code: 860905
£11.20
Available to buy online
Seasure
Swivel Block
Catalogue Code: 860911
£21.95
Available to buy online
Seasure
Quarter Lead Block
Catalogue Code: 860906
£10.65
Available to buy online
Seasure
Bolt Down Block
Catalogue Code: 860296
£6.95
Available to buy online
Seasure
Base Mounted Swivel Block
Catalogue Code: 860907
£17.25
Available to buy online
Seasure
Double Block with Shackle
Catalogue Code: 860908
£15.15
Available to buy online
Seasure
Double Block with Becket
Catalogue Code: 860909
£18.45
Available to buy online
Seasure
Double Block with V-Jammer
Catalogue Code: 860910
£21.65
Available to buy online
Seasure
Treble Block with Shackle
Catalogue Code: 860912
£21.45
Available to buy online
Seasure
Treble Block with Centre Becket
Catalogue Code: XM00-32
£22.95
Available to buy online
Seasure
Treble Block with V-Jammer
Catalogue Code: 860913
£25.70
Available to buy online
Harken
16mm Single
Catalogue Code: HA404
£14.95
Available to buy online
Harken
16mm Single, Becket
Catalogue Code: HA405
£16.95
Available to buy online
Harken
16mm Single Swivel
Catalogue Code: HA417
£26.95
Available to buy online
Harken
16mm Block/Eyestrap Assembly
Catalogue Code: HA442
£22.95
Available to buy online
Harken
16mm Cheek
Catalogue Code: HA416
£16.95
Harken
16mm Block Double
Catalogue Code: HA406
£31.95
Available to buy online
Harken
16mm Block Double/Bkt
Catalogue Code: HA407
£34.95
Available to buy online
Harken
T18 Soft-Attach Single Block
Catalogue Code: HA2698
£21.95
Available to buy online
Harken
18mm T2 Soft-Attach Block
Catalogue Code: HA2161
£21.95
Available to buy online
Harken
18mm Double T2 Block
Catalogue Code: HA2158
£37.95
Available to buy online
Ronstan
S20 BB Single Loop Top
Catalogue Code: RF20101
£10.45
Available to buy online
Ronstan
S20 BB Single Swivel
Catalogue Code: RF20100
£18.10
Available to buy online
Ronstan
S20 BB Single Loop Bkt
Catalogue Code: RF20111
£13.45
Available to buy online
Ronstan
S20 BB Stand Up
Catalogue Code: RF20141
£17.30
Available to buy online
Ronstan
S20 BB Cheek Block-Rivet Mount
Catalogue Code: RF20151A
£18.20
Available to buy online
Ronstan
S20 BB Pivoting Lead
Catalogue Code: RF20174
£30.95
Available to buy online
Ronstan
S20 BB Double 2-Axis Shackle Head
Catalogue Code: RF20202
£27.60
Available to buy online
Ronstan
S20 BB Double Bkt
Catalogue Code: RF20212
£29.95
Available to buy online
Ronstan
S20 BB Triple
Catalogue Code: BBRF20302
£37.75
Available to buy online
Allen
20mm Dynamic Single
Catalogue Code: 860598
£10.90
Available to buy online
Allen
20mm Dynamic Single Fork Head
Catalogue Code: 860604
£16.95
Available to buy online
Allen
20mm Dynamic Single Hook
Catalogue Code: 860929
£16.55
Available to buy online
Allen
20mm Dynamic Single Fork Swivel Head
Catalogue Code: 860930
£24.50
Available to buy online
Allen
20mm Dynamic Single Multi Function
Catalogue Code: 860928
£9.95
Available to buy online
Allen
20mm Dynamic Single Stand Up
Catalogue Code: 860766
£17.90
Available to buy online
Allen
20mm Dynamic Single Ezi-Ti
Catalogue Code: 860947
£20.80
Available to buy online
Allen
20mm Dynamic Composite Cheek
Catalogue Code: 860934
£17.70
Available to buy online
Allen
20mm Dynamic Double
Catalogue Code: 860603
£26.95
Available to buy online
Allen
20mm Dynamic Double Becket
Catalogue Code: 860931
£27.95
Available to buy online
Allen
20mm Dynamic Triple
Catalogue Code: 860932
£37.95
Available to buy online
Allen
20mm Dynamic Triple Becket
Catalogue Code: 860933
£42.95
Available to buy online
Allen
20mm Dynamic Triple Cleat Becket
Catalogue Code: 860935
£92.95
Available to buy online
Selden
BBB20 Single Strap
Catalogue Code: 860380
£10.25
Available to buy online
Selden
BBB20 Single Becket
Catalogue Code: 860381
£11.95
Available to buy online
Selden
BBB20 Single Tie On
Catalogue Code: 860386
£9.55
Selden
BBB20 Double
Catalogue Code: 860382
£27.50
Available to buy online
Selden
BBB20 Double Becket
Catalogue Code: 860383
£28.95
Available to buy online
Selden
BBB20 Triple
Catalogue Code: 860384
£39.95
Selden
BBB20 Triple Becket Cam
Catalogue Code: 860385
£89.45
Available to buy online
Selden
High Load BBB25 Triple Becket
Catalogue Code: 860529
£52.60
Available to buy online
Allen
29mm Plain Block cw Clip
Catalogue Code: HT178-74
£7.95
Available to buy online
Harken
29mm Carbo Single, Fixed
Catalogue Code: HA348
£14.95
Available to buy online
Harken
29mm Carbo 90deg Fixed Head
Catalogue Code: HA352
£19.95
Available to buy online
Harken
29mm Carbo, Single Swivel
Catalogue Code: HA340
£26.95
Available to buy online
Harken
29mm Carbo Sgle/Swiv/Bkt
Catalogue Code: HA341
£30.95
Harken
29mm T2 Air Block
Catalogue Code: HA2146
£26.95
Available to buy online
Harken
29mm Carbo Stand-Up Fixed
Catalogue Code: HA349
£23.95
Harken
29mm Carbo Cheek
Catalogue Code: HA350
£14.95
Available to buy online
Harken
29mm Carbo Double Swivel
Catalogue Code: HA342
£48.95
Available to buy online
Allen
30mm Dynamic Single Multi Function
Catalogue Code: 860939
£12.25
Available to buy online
Allen
30mm Dynamic Single
Catalogue Code: 860937
£13.50
Available to buy online
Allen
30mm Dynamic Single Fork Head
Catalogue Code: 860940
£17.65
Available to buy online
Allen
30mm Dynamic Single Fork Swivel Head
Catalogue Code: 860949
£25.35
Available to buy online
Allen
30mm Dynamic Single Ezi-Ti
Catalogue Code: 860948
£23.35
Available to buy online
Allen
30mm Dynamic Composite Cheek
Catalogue Code: 860945
£13.85
Allen
30mm Dynamic Single Stand Up
Catalogue Code: 860938
£20.25
Available to buy online
Allen
30mm Ball Snatch Block
Catalogue Code: 860285
£22.95
Available to buy online
Allen
30mm Dynamic Double
Catalogue Code: 860941
£36.25
Available to buy online
Allen
30mm Dynamic Double Becket
Catalogue Code: 860942
£32.50
Available to buy online
Allen
30mm Dynamic Triple
Catalogue Code: 860943
£47.25
Available to buy online
Allen
30mm Dynamic Triple Becket
Catalogue Code: 860944
£54.95
Available to buy online
Allen
30mm Dynamic Triple Cleat Becket
Catalogue Code: 860946
£99.95
Available to buy online
Selden
BBB30 Single Tie On
Catalogue Code: 860392
£12.40
Available to buy online
Selden
BBB30 Single Strap
Catalogue Code: 860388
£12.95
Available to buy online
Selden
BBB30 Single Swivel
Catalogue Code: 860387
£23.35
Available to buy online
Selden
BBB30 Single Swivel Becket
Catalogue Code: 860389
£25.75
Available to buy online
Selden
BBB30 Double Loop Head
Catalogue Code: 860390
£35.80
Ronstan
S30 BB Single Loop Top
Catalogue Code: RF35101
£13.15
Ronstan
S30 BB Single Swivel, Becket Option
Catalogue Code: RF35100
£21.45
Available to buy online
Ronstan
S30 BB Stand Up Block
Catalogue Code: RF35141
£20.95
Available to buy online
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