Barton Size 3 - 45mm Blocks
45mm Blocks - Size 3
A strong, lightweight range of blocks for use on dinghies, dayboats and light cruising yachts. Ideal for mainsheet, vang, lead blocks or wherever a powerful and compact purchase tackle is required.
A comprehensive range of cam cleat, fiddle and fiddle & cam cleat versions are available.
Available in Plain or Ball Bearing. |
![]() |
Sheave Diameter: | 45mm (1¾") |
![]() |
Fiddle Diameters: | 58/30mm (2¼" / 1 3/16") |
![]() |
Sheave Width | 13mm (1/2") |
![]() |
Maximum Rope Diameter: | 10mm (3/8") |
![]() |
Working Load (Plain): |
385 kg (848 lbs) |
![]() |
Max Rolling Load (Ball): | 270 kg (595 lbs) |
![]() |
Break Load: | 770 kg (1697 lbs) |
![]() |
![]() |
![]() |
![]() |
Fixed Eye | Reverse Shackle | Swivel | Fixed Clevis Pin |
Plain Attachment Eye | Removable shackle allows easy attachment and can be mounted in-line or at 90° to the sheave | Fully swiveling head with removable shackle for fast attachment | Simple fixed eye with removable 5mm clevis pin for attachment and 13mm jaws. |
![]() |
Plain bearing blocks Barton plain bearing blocks have a precision moulded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads. |
![]() |
Ball bearing blocks |

Single Fixed Eye

Bearing | Code | Length | Weight |
Plain | 03110 | 90mm | 79g |
Ball | 13110 | 90mm | 77g |
Single Reverse Shackle

Bearing | Code | Length | Weight |
Plain | 03120 | 105mm | 88g |
Ball | 13120 | 105mm | 85g |
Single Swivel

Bearing | Code | Length | Weight |
Plain | 03130 | 107mm | 90g |
Ball | 13130 | 107mm | 89g |
Single Swivel with Becket

Bearing | Code | Length | Weight |
Ball | 13131 | 122mm | 97g |
Cheek Block
(Screw Down)

Bearing | Code | Length | Weight |
Plain | 03160 | 92mm | 110g |
Ball | 13160 | 92mm | 109g |
Fiddle Block with Swivel

Bearing | Code | Length | Weight |
Ball | 13430 | 165mm | 163g |
Fiddle & Becket Block with Swivel

Bearing | Code | Length | Weight |
Ball | 13431 | 176mm | 170g |