... style,Ring styleGrip length of shank:10mm~150mm or 1/2 inch~6inchDiameter of shank:3/16,1/4,5/16 ... ,3/8,7/16,1/2,9/16,5/8,3/4,7/8,1(inch ... steelMaterial of shank:stainless steel,Ally steel.carton steelBall qty:2,3,4 B Style Quick Release Ball Lock Pins