Severne Hex4 batten tensioner, supplied with a grub screw. Suitable for most newer, non-race sail Severne battens.
Adjusted with a 4mm Allen key (not supplied). Ideally matched with a Severne Hex4 Key/Tool.
Simple yet high quality and well-engineered product made from premium nylon and marine-grade stainless steel.
Buy a M8 grub screw for Severne Hex4 batten tensioners here.