40mm triple Dynamic block Diameter_10 mm select your shoe size and

select your shoe size and find the corresponding sock size

materials and state of the art manufacturing to ensure a more eco-friendly product

Suitable for quick submersion

Overall height: 77 mm (3 1/32")

40mm triple Dynamic block Diameter_10 mm select your shoe size andAllen 40mm Dynamic Blocks feature the patented Allen Dynamic bearing system which provides an unrivalled weight to performance ratio. This is coupled with their high strength and rope friendly stainless steel ultra strap; making them amongst the strongest and most reliable ballbearing blocks on the market. The range is available with different types of accessories including lacing eyes, hooks, swivels and cleats. The range also features a central