Product Range
Blocks Sale
Discover our limited-availability range of discontinued and end-of-line blocks — premium Allen performance at a reduced price. These blocks may be leaving the catalogue, but they still offer the same reliable engineering and build quality you’d expect from us. Stock is strictly limited, so once they’re gone, they’re gone. Grab a great deal while you can.
Click through to a product page and open the PDF to see detailed product information.
| SKU | Title | Breaking Load Kg | Working Load Kg | Sheave Diameter mm | Length mm | Weight g | Price | |
|---|---|---|---|---|---|---|---|---|
![]() | A4978 | Flip Flop | 700 | 140 | 30 | 63 | 58 | £18.08 |
![]() | A2040SC-676 | Single With Swivel And A.676 Cam Cleat | 800 | 180 | 40 | 73 | 142 | £61.16 |
![]() | A2046 | Single Cheek | 800 | 180 | 40 | 62 | 33 | £18.00 |
![]() | A2040SC-677 | Single With Swivel And A.677 Cam Cleat | 800 | 180 | 40 | 73 | 107 | £61.04 |
![]() | A2041 | Single With Swivel And 20mm Fiddle Block | 800 | 180 | 40 | 100 | 86 | £50.64 |
![]() | A2043 | Single With Swivel And Becket | 800 | 180 | 40 | 100 | 79 | £48.19 |
![]() | A2043-676 | Single With Swivel, Becket And A.676 | 800 | 180 | 40 | 100 | 157 | £80.98 |
![]() | A2044 | Single With Swivel, 20mm Fiddle Block And Becket | 800 | 180 | 40 | 122 | 100 | £56.72 |
![]() | A2044-676 | Single With Swivel, Fiddle Block, Becket And A.676 | 800 | 180 | 40 | 122 | 152 | £89.48 |
![]() | A2044-677 | Single With Swivel, Fiddle Block, Becket And A.677 | 800 | 180 | 40 | 122 | 147 | £85.27 |
![]() | A2041-677HK | Single With Swivel, Fiddle Block, A.677 And Hook | 800 | 180 | 40 | 100 | 140 | £81.48 |
![]() | A2040LZ | Single With Lacing Eye And Spring | 800 | 180 | 40 | 77.5 | 45 | £25.79 |
![]() | A2045 | 40mm Triple Dynamic Block | 1350 | 320 | 40 | 84 | 129 | £69.76 |
![]() | A2047 | 40mm Dynamic Quad Block | 1350 | 320 | 40 | 84 | 165 | £89.38 |
![]() | A2040HK | 40mm Single With Hook | 800 | 180 | 40 | 110 | 68 | £27.60 |
![]() | A4250P | 20mm Single Plain Bearing Pulley | 400 | - | 20 | 41 | 12 | £2.82 |
![]() | A4686P | 20mm Classic Plain Bearing Cheek Block | 400 | - | 20 | 40 | 12 | £3.46 |
![]() | A4280P | 27mm Classic Plain Bearing Single Block | 600 | - | 27 | 22 | 55 | £6.49 |
![]() | A4380P | 27mm Classic Plain Bearing Block With Becket | 600 | - | 27 | 28 | 73 | £8.87 |
![]() | A4580PC | 27mm Classic Plain Bearing Double Block With Becket | 600 | - | 27 | 63 | 58 | £11.52 |
![]() | A2045B | Triple With Becket | 1350 | 180 | 40 | 84 | 149 | £77.72 |
![]() | A9040- | Single Tii-On High Roller | 2000 | 800 | 40 | 47 | £126.85 | |
![]() | SA9040 | Servicing Kit For A9040 | - | - | - | £50.72 |























