ITEM NAME:Multi Functional Adjustable 6 Fingers Jaw Sheet Metal Retractor Dent Repair Tool.Dent Repair Puller Tool 1. Hook thickness: about 3mm/0.12. Weight: about 320g. Nut size: about 16mm/0.63in. best give a satisfied solution. checkout, it can't be changed once order completed. Length: about 135mm/5.31in.