1The screw fastener kit is complete, with a wide range of types and sizes, and strong practicability. 2Made of high-quality aluminum alloy material, high hardness and anti-corrosion, can be used for a long time 3These fasteners can be used together or individually, and are easy to install and disassemble. 4With different standard sizes such as M2, M3, M4, M5, etc., it can meet your greatest needs. 5This kit is widely used in printers and is an indispensable replacement for fasteners. Item Type: Screw Fastener Set Material: Aluminum alloy Application: Suitable for 3D printer 6 x M3x6 Screw 4 x M4x6 Screw 217 x M3x8 Screw 40 x M5x10 Screw 23 x M3x12 Screw 27 x M5x16 Screw 14 x M3x16 Screw 29 x M3x20 Screw 22 x M5x30 Screw 25 x M3x30 Screw 28 x M3x40 Screw 22 x M5x40 Screw 4 x M4 Knurled Nut 42 x M5 1mm Spacer 2 x M3 Washer 120 x M3 T-Nut 61 x M5 T-Nut 26 x M5 Hex Nut 7 x M3 Hex Nut 90 x M3 Threaded Insert 47 x M3 Hammer Head T-Nut 10 x M2x10 Self-Tapping Screw