S-Hook Clasp Zamak 33mm - Premium Antique Copper Plating. This S-Hook clasp will add an elegant finish to your handmade jewelry pieces with the detailed pattern and premium metal plating. S hook clasps are easy to hook and unhook. The S-Hook Clasp Zamak 33mm features jump rings on each end for attaching beaded strands or chain and comes in a pack of 5.