Grade 100 Alloy Connecting Link 1/4'' Main Features : Working Load Limit : 4,300 lbs Breaking Strength : 17,200 lbs Material : Grade 100 steel Drop Forged Finish : Painted Blue With Pin and Spring Each product is with locking retaining pin for easy assembling and disassembling - no special tools needed. Meets strength and performance requirements of ASME B30.26 4:1 Safety Factor Inspect prior to usage Never exceed working load limit Avoid shock loads To complement your needs when working with chain, we also offer a variety of hooks and alloy connecting links to make those quick ''in the field repairs'' when necessary.