... can provide you speedy and safe products with ball-lock pins--a kind of special fastener. Ball-lock pin is a kind of ... ~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) or 5,6,8,10, ... shank:stainless steel,Ally steel.carton steelBall qty:1,2,3,4 Release Pin BPI4-NM1 ...