The hand retractable spring plunger is made of high-quality stainless steel, offering high strength, durability, and reliable performance. The knurled handle design provides a non-slip grip for safe and easy operation. Stainless steel M6 quick release pins are simple to install and replace. Eliminate the need for sealing patches, threading, or tappingjust pull and twist the pinhead to lock and release. Practical and convenient for everyday use.The plunger spring pin is 1 inch in length with a thread length of 0.5 inch. Its compact size and lightweight design make it easy to carry and store without taking up much space.These stainless steel lock-out type M6 quick release pins are suitable for use with rolling toolboxes, molds, chassis, cabs, electrical appliances, industrial equipment, automobiles, and other applications.Product Name: Knurled Plunger Spring Pins Material: Stainless Steel Color: Silver Package Contents: 2 x Hand Retractable Spring Plunger Note: Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.