SPR. COTTERS: SHORT FOR SPRING COTTERS, THESE ARE SMALL RETAINING PINS WITH BENT, SPRING-LIKE ENDS. COMMONLY USED FOR SECURING SHAFTS, PINS, OR OTHER COMPONENTS IN PLACE. DESIGNED TO PROVIDE A SECURE AND RELIABLE HOLD WHILE ALLOWING FOR EASY INSTALLATION AND REMOVAL. MADE OF DURABLE MATERIALS SUCH AS STEEL OR STAINLESS STEEL FOR STRENGTH AND RESISTANCE TO WEAR.