Description: Material: Made of high quality 304 stainless steel material, no deformation, wear resistant, smooth and burr free, sturdy and durable. Multi Sizes: 60 Pieces 12 different sizes in a grid storage box, convenient to store and access. Including M3x10, M3x12, M3x16, M3x20, M4x12, M4x16, M4x20, M4x25, M5x12, M5x16, M5x20, M5x25, each for 5pcs, meet your different needs. Design: T shape, flat head with hole, round structure, flexible positioning, not easy to break off. Feature: The pins are produced according to the standard, with precise dimensions, usually lock by cotter pins ( not included ), and can be easily installed and disassembled. Application: Fit for , machinery manufacturing, household DIY and furniture installation. Specification: Product size: 17.8cmx10cmx2.3cm/7.01inchx3.94inchx0.91inch Material: 304 stainless steel Package Includes: 5 Pieces M3x10 5 Pieces M3x12 5 Pieces M3x16 5 Pieces M3x20 5 Pieces M4x12 5 Pieces M4x16 5 Pieces M4x20 5 Pieces M4x25 5 Pieces M5x12 5 Pieces M5x16 5 Pieces M5x20 5 Pieces M5x25 Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!