Race-Lite's stainless steel Heavy-Duty Halyard Lock is designed to accept 1/8 in. (3mm) or 3/32 in. (4mm) wire halyards with swaged ball stops. It is 2 in. (51mm) long and 3/4 in. (19mm) wide and affixes to flat surfaces with #10 screws or 3/16 in. (5mm) pop rivets.