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Home
Chandlery
Blocks

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Category

Allen Blocks Allen Blocks
- Allen 20mm Dynamic Blocks Allen 20mm Dynamic Blocks
- Allen 30mm Dynamic Blocks Allen 30mm Dynamic Blocks
- Allen 40mm Dynamic Blocks Allen 40mm Dynamic Blocks
- Allen Plain Bearing Blocks Allen Plain Bearing Blocks
- Allen Ratchet Blocks Allen Ratchet Blocks
- Allen Sheaves Allen Sheaves
- Allen High Tension Blocks Allen High Tension Blocks
Barton Blocks Barton Blocks
- Barton Series 0 Blocks (20mm) Barton Series 0 Blocks (20mm)
- Barton Series 1 Blocks (30mm) Barton Series 1 Blocks (30mm)
- Barton Size 2 Blocks (35mm) Barton Size 2 Blocks (35mm)
- Barton Size 5 Cruiser Blocks (54mm) Barton Size 5 Cruiser Blocks (54mm)
- Barton Size 6 Cruiser Blocks (64mm) Barton Size 6 Cruiser Blocks (64mm)
Harken Blocks Harken Blocks
- Harken 16mm Blocks Harken 16mm Blocks
- Harken T18 Soft-Attach block Harken T18 Soft-Attach block
- Harken 22mm Micro Blocks Harken 22mm Micro Blocks
- Harken 29mm Bullet Blocks Harken 29mm Bullet Blocks
- Harken 29mm Carbo AirBlocks Harken 29mm Carbo AirBlocks
- Harken 40mm Carbo Ratchets Harken 40mm Carbo Ratchets
- Harken 40mm Carbo Blocks Harken 40mm Carbo Blocks
- Harken 57mm Carbo AirBlocks Harken 57mm Carbo AirBlocks
- Harken 57mm Carbo Ratchets Harken 57mm Carbo Ratchets
- Harken Line-Wire High Strength Blocks Harken Line-Wire High Strength Blocks
Holt Blocks Holt Blocks
- Holt 20mm Ball Bearing Blocks Holt 20mm Ball Bearing Blocks
- Holt 28mm Ball Bearing Blocks Holt 28mm Ball Bearing Blocks
- Holt 39mm Ball Bearing Blocks Holt 39mm Ball Bearing Blocks
- Holt 57mm Ball Bearing Blocks Holt 57mm Ball Bearing Blocks
- Holt 75mm Ball Bearing Blocks Holt 75mm Ball Bearing Blocks
- Holt High Load Eye / Low Friction Ring Holt High Load Eye / Low Friction Ring
Lewmar Blocks Lewmar Blocks
Ronstan Blocks Ronstan Blocks
- Ronstan Orbit Ratchet Blocks Ronstan Orbit Ratchet Blocks
- Ronstan Series 20 - Ball Bearing Blocks Ronstan Series 20 - Ball Bearing Blocks
- Ronstan Series 30 - Orbit and Ball Bearing Blocks Ronstan Series 30 - Orbit and Ball Bearing Blocks
- Ronstan Series 40 All Purpose Blocks Ronstan Series 40 All Purpose Blocks
- Ronstan Series 40 - Ball Bearing Blocks Ronstan Series 40 - Ball Bearing Blocks
- Ronstan Core Blocks Ronstan Core Blocks
- Other Ronstan Blocks Other Ronstan Blocks
Seasure Blocks Seasure Blocks

Brand

Allen
Barton
Harken
Holt
Lewmar
Ronstan
Sea Sure
Selden

Sheave Size (mm)

10-17mm
18-21mm
22-26mm
27-34mm
35-44mm
45-54mm
55-64mm
65+ mm

Block Type

Single
Double
Triple
Sheave Only

Block Options

Becket
Becket Through Axle
Cam Cleat
Fiddle
Ratchet
Snatch Block
V Cleat

Attachment Method

Cheek Block
Fixed Head
Hook
Inglefield Clip
Kicker Key
Pivoting Lead Block
Removable Head
Rope
Rope Loop
Shackle
Snap Shackle
Stand Up Base
Surface Mount
Swivel
Through Deck

Bearing Type

Ball Bearing
Plain Bearing

Shackle Type

Dee
Strip
Wide

Pin Diameter (mm)

3
4
5
6
8

Price

£0.00 - £100.00
£100.00 - £200.00

Products On Sale

Sale Items
Clearance Items

Blocks

Grid

Ronstan Orbit Series 55 Rubber Boot for Stand-Up Base RF2455

£12.40
Ronstan Series 40 Orbit Single Block With Dyneema Link Head

£32.45
Allen 20mm Dynamic Back to Back Block

Special Price £29.00 Regular Price £30.45

-5%
Seasure 25mm Bolt Down Block

£9.50
Sea Sure Single Block 25mm With Clevis Pin

£11.70
Sea Sure Single Block 25mm With Shackle

£14.25
Sea Sure Single Block 25mm

£11.85
Sea Sure Single Block 25mm Including Becket

£15.20
Allen Micro Through Deck Block With 20mm Sheave

Special Price £26.15 Regular Price £27.46

-5%
Allen 20mm Micro Through Deck Block

£26.20
Sea Sure Double Block 25mm With Clevis Pin Head

£16.45
Sea Sure Double Block 25mm With Shackle Head

£20.55
Sea Sure 25mm Double Block With Becket And Shackle Head

£25.00
Sea Sure Double Block 25mm With V Jammer Cleat

£29.30
Harken Dual Sheave In-Line Exit Bullet Block

Special Price £45.60 Regular Price £48.15

-5%
Harken Upright Bullet Lead Block

Special Price £29.15 Regular Price £30.80
Harken Single Bullet For Wire

Special Price £26.30 Regular Price £27.79
Harken 29mm Triple Bullet Block with Becket

Special Price £60.00 Regular Price £84.43

-29%
Sea Sure Triple Block 25mm With Shackle Head

£29.10
Sea Sure Triple Block 25mm With Becket And Shackle Head

£31.15
Sea Sure Triple Block 25mm With V Jammer Cleat

£34.85
Sea Sure Quater Lead Block 25mm

£14.50
Sea Sure Base Mounted Swivel Block 25mm

£23.35
Allen 30mm Dynamic Double Block & Becket

Special Price £45.20 Regular Price £47.46
Allen 27mm Upstand Block

Special Price £36.00 Regular Price £37.80
Allen Ball Bearing 30mm Snatch Block

Special Price £27.70 Regular Price £29.09
Allen 30mm Dynamic Fiddle Block with Cam Cleat

Special Price £102.45 Regular Price £107.57
Allen 30mm Dynamic Ezi-Tii Block

Special Price £15.60 Regular Price £16.48
Allen 30mm Dynamic Multi-Function Block

Special Price £14.65 Regular Price £15.38
Allen 30mm Dynamic Double Block

Special Price £43.55 Regular Price £45.73
Allen 30mm Dynamic Triple Block

Special Price £56.80 Regular Price £59.64
Allen 30mm Dynamic Cheek Block

Special Price £23.15 Regular Price £24.31

-5%
Allen 30mm Dynamic Triple Block and Becket

Special Price £66.35 Regular Price £69.67
Allen 30 mm Dynamic Triple Block Cleat And Becket

Special Price £120.75 Regular Price £126.83
Allen 30mm Double Through Deck Lead Block

Special Price £48.05 Regular Price £50.45
Allen Ball Race 30mm Flip Flop Block

Special Price £37.35 Regular Price £39.22
Allen 30mm Dynamic Block With Swivel Head

Special Price £40.05 Regular Price £42.05

-5%
Allen 30mm Through Deck Block

Special Price £32.20 Regular Price £33.81

-5%
Allen 30mm Extreme High Load Block Blue

Special Price £143.60 Regular Price £151.45

-5%
Ronstan Series 30 Pivoting Lead Block

£51.60
Harken 57mm Carbo T2 Ratchatmatic Block

Special Price £92.60 Regular Price £96.82

-4%
Ronstan Series 30 Orbit Single Lashing Head with Nylatron Sheave - Becket Option

£29.40
Barton 20mm Size 0 Plain Cheek Block

£8.00
Barton 20mm Size 0 Plain Block Single Fix Eye

£6.70
Harken 57mm Carbo Manual Ratchet Block Shackle Head

Special Price £90.80 Regular Price £94.93

-4%
Barton 30mm Size 1 Plain Bearing Block Single Fix Eye

£9.30
Barton 30mm Size 1 Single Swivel Plain Bearing Block

£14.60
Harken 75mm Carbo Manual Ratchet Block Shackle Head

Special Price £111.95 Regular Price £117.06

-4%

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Visit TridentUK Store

Trident Quay
6 South Shore Road
Gateshead
Tyne And Wear
NE8 3AE
0191 4901736
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Family owned and run business
Manufacturing in Gateshead, UK
Since 1983
Passionate about sailing

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