Sail Track Stop Round 1/2"

For internal sail mast grooves. Hold your sail and its slugs in place on the mast with a sail track stop. Position the stop just above the mast groove gate and lock it in place with the knurled thumb screw. Made of heavy-duty, black anodized aluminum and marine grade nickel plated brass. Large knurled knob is easily released. Size: 0.50" diameter x 0.875" length.