20pcs Set Stainless Steel Thread Hex Spring Ball Plunger Screw (M4*12)
A load device (SLDs) consisting of a shell, spring, ball or cylinder. 20 x Spring Ball Plunger Screw. Size:M4 6/8/10/12/16/20(Optional). Material: stainless steel. Quantity: 20 PCS. If you are satisfied with our service, pls.