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Hardware > Blocks >

Blocks High Tension

We have a wide range of High Tension blocks in stock from all the leading manufacturers. Allen, Harken, Barton, Ronstan and Selden can all be found here.

If you can't see the item you're looking for listed, please contact us on 01604 592808 to speak to our Mail order team to see if we can supply the item for you.

Seasure 25mm Metal Sheave Inline Mast Block

Seasure 25mm Metal Sheave Inline Mast Block

£10.98

Seasure 25mm Metal Sheave Bolt Down Block

Seasure 25mm Metal Sheave Bolt Down Block

£11.37

Seasure 25mm Metal Sheave Inline Mast Type 2 Block

Seasure 25mm Metal Sheave Inline Mast Type 2 Block

£11.60

Seasure 25mm Metal Sheave Block with Hollow Rivets

Seasure 25mm Metal Sheave Block with Hollow Rivets

£12.69

Seasure 25mm Metal Sheave Block with Clevis Pin

Seasure 25mm Metal Sheave Block with Clevis Pin

£12.99

Seasure 25mm Metal Sheave Block with Becket

Seasure 25mm Metal Sheave Block with Becket

£13.69

Seasure 25mm Metal Sheave Block with Shackle

Seasure 25mm Metal Sheave Block with Shackle

£14.47

Allen 16mm High Tension Single Block

Allen 16mm High Tension Single Block

£18.36 £16.52

Seasure 25mm High Load Block Single

Seasure 25mm High Load Block Single

£16.87

Allen 16mm High Tension Single and Becket Block

Allen 16mm High Tension Single and Becket Block

£19.58 £17.62

Seasure 25mm High Load Ball Bearing Single Block with Hollow Rivet

Seasure 25mm High Load Ball Bearing Single Block with Hollow Rivet

£18.15

Seasure 25mm High Load Ball Bearing Single Block with Becket

Seasure 25mm High Load Ball Bearing Single Block with Becket

£18.90

Selden 25mm High Tension Ball Bearing Single

Selden 25mm High Tension Ball Bearing Single

£21.20 £19.08

Allen 25mm High Tension Single Fixed Head Block

Allen 25mm High Tension Single Fixed Head Block

£21.78 £19.60

Selden 25mm High Load Single Loop

Selden 25mm High Load Single Loop

£23.34 £21.01

Selden 25mnm High Tension Ball Bearing Single with Clevis Pin

Selden 25mnm High Tension Ball Bearing Single with Clevis Pin

£24.01 £21.61

Allen 25mm High Tension Single Fixed Head and Becket Block

Allen 25mm High Tension Single Fixed Head and Becket Block

£24.58 £22.12

Seasure 25mm High Load Ball Bearing Single Block with Shackle

Seasure 25mm High Load Ball Bearing Single Block with Shackle

£22.50

Selden 25mm High Tension Ball Bearing Single with Becket

Selden 25mm High Tension Ball Bearing Single with Becket

£26.40 £23.76

Allen 25mm High Tension Single with Clevis Pin Block

Allen 25mm High Tension Single with Clevis Pin Block

£26.74 £24.07

Harken 38mm Through Deck Bullet Block For Wire

Harken 38mm Through Deck Bullet Block For Wire

£27.64 £24.88

Allen 25mm High Tension Single and Shackle Block

Allen 25mm High Tension Single and Shackle Block

£27.64 £24.88

Allen 25mm High Tension Single Flared Cheek Block

Allen 25mm High Tension Single Flared Cheek Block

£28.18 £25.36

Selden 25mm High Tension Ball Bearing Double

Selden 25mm High Tension Ball Bearing Double

£30.60 £27.54

Harken 38mm Single Bullet Swivel Block for Wire

Harken 38mm Single Bullet Swivel Block for Wire

£31.22 £28.10

Selden 25mm High Tension Ball Bearing Double with Becket

Selden 25mm High Tension Ball Bearing Double with Becket

£34.57 £31.11

Harken 25mm Single Wire Block

Harken 25mm Single Wire Block

£37.34 £33.60

Allen 38mm High Tension Single with Hook Block

Allen 38mm High Tension Single with Hook Block

£38.18 £34.36

Harken 38mm Wire Bullet Through Deck With Stainless Coverplate

Harken 38mm Wire Bullet Through Deck With Stainless Coverplate

£38.55 £34.70

Allen 16mm High Tension Double Block

Allen 16mm High Tension Double Block

£39.28 £35.35

Harken 25mm Wire Cheek Block with Fasteners

Harken 25mm Wire Cheek Block with Fasteners

£39.43 £35.48

Allen 16mm High Tension Double and Becket Block

Allen 16mm High Tension Double and Becket Block

£39.48 £35.53

Harken 25mm Wire Forkhead Block with Becket

Harken 25mm Wire Forkhead Block with Becket

£40.20 £36.18

Allen 38mm High Tension Single Fixed Head Block

Allen 38mm High Tension Single Fixed Head Block

£40.44 £36.40

Harken 25mm Single Wire Block with Becket

Harken 25mm Single Wire Block with Becket

£44.06 £39.66

Allen 38mm High Tension Single Fixed Head with Becket Block

Allen 38mm High Tension Single Fixed Head with Becket Block

£44.58 £40.12

Allen 38mm High Tension Single with Shackle Block

Allen 38mm High Tension Single with Shackle Block

£46.31 £41.68

Harken 25mm Wire Through Deck Block

Harken 25mm Wire Through Deck Block

£47.17 £42.46

Allen 25mm High Tension Double Fixed Head Block

Allen 25mm High Tension Double Fixed Head Block

£47.45 £42.71

Selden 25mm High Tension Ball Bearing Triple

Selden 25mm High Tension Ball Bearing Triple

£48.66 £43.79

Allen 25mm High Tension Double Fixed Head and Becket Block

Allen 25mm High Tension Double Fixed Head and Becket Block

£49.73 £44.76

Seasure 25mm High Load Black Ceramic Ball Bearing Single Block with Rivet

Seasure 25mm High Load Black Ceramic Ball Bearing Single Block with Rivet

£46.30

Selden 25mm High Tension Ball Bearing Triple with Becket

Selden 25mm High Tension Ball Bearing Triple with Becket

£52.60 £47.34

Allen 16mm High Tension Triple Block

Allen 16mm High Tension Triple Block

£58.92 £53.03

Harken 38mm Single Wire Block

Harken 38mm Single Wire Block

£59.72 £53.75

Allen 16mm High Tension Triple and Becket Block

Allen 16mm High Tension Triple and Becket Block

£61.18 £55.06

Harken 38mm Wire Cheek Block w/Fasteners

Harken 38mm Wire Cheek Block w/Fasteners

£62.21 £55.99

Harken 38mm Wire Through Deck Block

Harken 38mm Wire Through Deck Block

£66.91 £60.22

Harken 38mm Single Wire Block w/Becket

Harken 38mm Single Wire Block w/Becket

£66.93 £60.24

Harken 38mm Ferrule Head Wire Block

Harken 38mm Ferrule Head Wire Block

£69.38 £62.44

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