Allen Single 40mm TII ON Block Ai_Description It becomes waterproof once applied

It becomes waterproof once applied to the skin

Pin To Pin Length 64 mm Maximum Luff Wire  3 mm Clevis Pin  6

it’s plenty strong enough

toe and bridge support allow the flexibility needed to remain agile

Allen Keyball Trapeze System - With Narrow Backing Plate - Includes 2 Handles

Allen Single 40mm TII ON Block Ai_Description It becomes waterproof once appliedThe 40mm single tii on block is our go to dinghy mainsheet block. Also ideal for dinghy jib and spinnaker sheeting systems as well as keelboat control lines. Our Tii On blocks feature a stainless steel loop at the head of the block. This gives our Tii On range maximum strength and reliability with minimal cheek separation when tied on and loaded up with a soft shackle. The stainless steel head loop also ensures the block stays in the right orientation