... steel, 2,Finish:polishing 3,Competitive factory metal hooks price swing hook Detail Feature: Materials alloy steel,stainless steel,carbon steels ... ,PDF and solid work 2001 Precision machine punch press 5 to 300 tons(max. size is about 100*80cm),bending machine ... third inspection are accepted. please send us drwaing or samples to estimate the exact unit prices. swing hook