... Taking the advantages of the anti-cutting function of high-strength pins, the quick release function of ball ... lock structure and the high-precision function of alignment pins, ball lock pins ... PINSGrip 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, ... ,Ally steel.carton steelBall qty:1,2,3,4 Release Pin BPI4-NM1 ...