The hand retractable plunger is made of high-quality stainless steel, with high strength, strong and stable, durable and reliable, not easy to break. Knurled handle design, non-slip and safe. Stainless steel M6 quick release pins are easy to install and replace. No more sealing , no more threading and tapping, you just pull and twist the pinhead to lock and release. Practical and convenient. Plunger pin is 1 inch long and the thread length is 0.5 inch, it is the right size, light weight, so you can carry it with you, it does not take up much space, and can be stored anywhere you need it. These stainless lock-out type M6 quick release pins are mainly suitable for rolling toolboxes, mould, chassis, cabs, electrical appliances, industrial equipment, automobiles and and some other fields. Specification Product name: knurled plunger pins Material: Stainless steel colour: silver Package Contents: 2 x hand retractable plunger Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.