Allen Single 40mm TII ON Block Ai_Description while the padded tie top

while the padded tie top adds that extra level of security

no additional oils are needed

The Crewsaver Junior Pro 50N CZ has the same Fusion 3D foam and chest zip entry

638 Cut Out Size  244 mm Cover Width  288 mm Opening Size  223 mm / 9 " Fixing Hole Size  4 mm Weight  223 g

Allen Single 40mm TII ON Block Ai_Description while the padded tie topThe 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