Allen Hatch 4 inch Foils The clever internal mechanism is

The clever internal mechanism is designed to activate when the block is under load - as every sailor knows this can make all the difference on a long spinnaker reach or upwind beat

Low-friction Bullet blocks lead control lines aft

Ergonomic high back and low front for seated water sports

Our most versatile dinghy boot – optimised for hiking/trapezing or keelboat racing

Soft fleece at neck edge for comfort against your face

Allen Hatch 4 inch Foils The clever internal mechanism is4" (small) Allen hatch in black. Includes hatch cover and base but no "O" ring. Fixing Hole size 3mm. Cut out size 110mm. Opening size 100mm. "O" ring required A338. Weight 62g