Allen Dynamic 20mm Block Single With Swivel Hook Tracking_Boardfy our blocks are the strongest

our blocks are the strongest and best available on the market

Sheave 57 mm Length  175 mm Weight  295 g Shackle Pin  5 mm Maximum Line  10 mm  Maximum Working Load 359 kg Breaking Load  1080 kg Maximum working loads and breaking loads for blocks based on cam strengths

Breaking Load 400 kg Fixing Hole Centers  30 mm Length  50 mm Maximum Line Diameter  8 mm Maximum Working Load  140 kg Shackle Pin  - Weight  24 g

Ladder lock side adjustment for tight fitting

2 mm Hole / Pin Diameter 8 mm Length 138 mm Weight 105 g Width 54 mm

Allen Dynamic 20mm Block Single With Swivel Hook Tracking_Boardfy our blocks are the strongestThe A2020 is our go to low friction, fast rolling, small pulley. Its lightweight and strong, making it ideal for dinghies, windsurfing, kitesurfing and anything else that runs smaller diameter lines. Our Dynamic range is generally the best choice for applications that require constant sheave movement. Swivel Hook A built in swivelling hook allows this block to be easily attached or removed as well as swivel to aline with pulling forces that may change