WE STOCK AND SELL THREE SIZES OF STEEL QUICK LINKS 1/8 SIZE HAS A WORKING LOAD LIMIT OF 220 LBS IS MADE FROM 1/8 STEEL HAS AN OVERALL LENGTH OF 1 7/16 AND HAS A JAW OPENING OF 1/8. 3/16 SIZE HAS A WORKING LOAD LIMIT OF 440 LBS AND IS MADE FROM 3/16 STEEL OVER ALL LENGTH IS 1 15/16"AND HAS A JAW OPENING OF 1/4" 1/4 SIZE HAS A WORKING LOAD