[Package includes] You will receive 4 M6 spring pins, sufficient in quantity to be used in different at once.[ Reliable Material ] The manual telescopic spring plunger is made of stainless steel, sturdy and durable, not easy to deform or rust, serving you for a long time, stable and not easy to break.[ Product Size ] The thread size of the plunger spring is 1/4 inch -20 inches, with a thread length of 0.500 inches. It is small in size and , and will be fully integrated into your toolbox without any conflicts.[ Easy to use ] These stainless steel locking M6 type quick release pins are small in size, light in weight, and easy to install.[ Widely Used ] These quick release pins are mainly used in rolling tool boxes, chassis, molds, engine rooms, electrical appliances, industrial equipment, etc. They can also be replaced with keyring pins to make them more elegant and sturdyColor: SilverMaterial: stainless steelPackage Contents:4 x quick release boltOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.