Usage Tips:2Pcs Hand Retractable Spring Plunger, M16 Stainless Steel Quick Release Pin Lock Out Pin with Nut and Knurled Handle Metal Material: The telescopic spring plunger is made of high-quality stainless steel, which is stable and not easily broken, making it easy to seamlessly disassemble and reconnect the handle of the rolling packaging toolbox. Easy to Use: No threading or tapping required, simply pull and twist the needle to lock and release, saving you time and improving your work efficiency. Widely Application: M16 quick release pin is mainly used in rolling toolboxes, molds, chassis, cabins, electrical appliances, industrial equipment, automobiles, etc. It can also replace and enhance traditional keyring pins. Easy to Carry: With a M16 type plunger pins thread length of 15.8 mm/0.62 inches, it is small in size, , and easy to carry. It can be easily stored in a tool bag or toolbox. What You Get: You receive 2 locking for daily use to meet and solve the trouble of temporary replacement parts. Colour:Silver Material:Stainless steel Package Contents: 2 * locking Only 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.