... quanlity,competitive price!HKS provide quick release pin(ball lock pins)--a kind of special fastener HKS ... high-strength pins, the quick release function of ball lock structure and the high-precision function of ... belong to the top fastening structure.standard of ball lock pin:Handle type: T style,L style ... ~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) ...