Allen Dynamic 20mm Block On Lacing Eye Shipping_Standard Which uses twin rows of

Which uses twin rows of stainless-steel ball bearings running on a stainless-steel rail

Layer them with other sailing socks or wear on their own

Occasionally oil the locking and folding mechanisms of your Marine Tool with a drop or two of oil

swimmers and surfers

Kevlar reinforced stitching and double reinforced moulded impact protection protects your knuckles

Allen Dynamic 20mm Block On Lacing Eye Shipping_Standard Which uses twin rows ofThe A2020 is our go to low friction, fast rolling, small pulley. Its lightweight and strong, making it ideal for dinghies and anything else that runs smaller diameter lines. Our Dynamic range is generally the best choice for applications that require constant sheave movement. Stand Up This block has been built around a spring and lacing eye. When installed the block will stand up from the pressure of the spring. Bearings Dynamic Blocks feature our