This is a mechanical endstop switch for 3D printer use. Choose sturdy material to ensure its stable performance. You can use them safely and don’t need to worry about disturbing your 3D printing work. Easy to use, very convenient. Features - - Material: ABS, copper wire. - Size: 100.00X1.00X0.60cm/39.30X0.39X0.24in - Size: 2.70X1.80X1.50cm/1.06X0.71X0.59in - Normally 3D printed mechanical switch for 3D printer, safe and withstand for long period use. - Simple and practical design, 3d printer limit switch is easy to install and operate. - The mechanical limit switch can precisely control the position of the 3D printer to ensure printing accuracy. - Small size, space saving, the printer limit switch is suitable for a variety of 3D printer motherboards. - A good accessory will work perfect with your 3D printer, you can use with peace of mind. Package list: 1 x 3D printer limit switch 1 (1 meter)