... a kind of ball lock mechanical structure. that uesd in quick location, quick release and fastening. Taking the ... lock pin:Handle type: T style,L style,Marine style,Button style,Ring styleGrip length of shank:10mm~150mm or 1/2 inch~6inchDiameter of ... ,5/8,3/4,7/8,1(inch) or 5mm~25mmMaterial of handle:stainless steel,Ally steel.carton ... steel.carton steelBall qty:2,3,4 L Style Quick Release Ball Lock Pins