The Allen classic dinghy blocks are manufactured from nylon and are available with either a plain bearing system or ball bearing system. Originally designed for the Laser dinghy mainsheet system but this classic block has also become the block of choice for many other dinghy mainsheet systems.
- Sheave size: 29 mm (1 9/64")
- Max. line size: 8 mm (5/16")
- Overall height: 48 mm (1 57/64")
- Breaking load: 250 kg
- Max. working load: 150 kg