Fabricated of type 304 stainless steel alloy 18-8. Hooks are 7 gauge, brackets are 11 gauge and wall plate is 14 gauge. Safety hook tension is adjustable by means of a captive round head stainless steel spanner screw. Hooks smoothly drop down when load exceeds 35 lb (16 kg) limit when correctly set. Hook geometry and bracket prevents hooks from being set in vertical-up position. 

Wall plate includes six (6) mounting holes for 1/4-20 button head pin-Torx® machine screws (supplied).