Fangrui Product Details [package Includes] You Receive 4 M6 Spring Pins, Sufficient In Quantity To Be Used In Different Places At Once. [ Reliable Material ] The Manual Telescopic Spring Plunger Is Made Of Stainless Steel, Sturdy And , 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 Be Fully Integrated Into Your Toolbox Without Any Conflicts. [ Easy To Use ] These Stainless Steel Locking M6 Type Are Small In Size, Light In Weight, And Easy To Install. [ Widely Used ] These 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 Sturdy Color: Silver Material: Stainless Steel Package Contents: 4 X Quick Release Bolt Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Dif