Wear resistant, high hardness, has a long service life. Widely used for small devices such as equipment, engraving machines, etc. DIY installation process can improve your hands-on ability. The motor requires an A4988 driver (not included) to operate and cannot be directly connected to power. Maximum linear speed is 25mm per second. Material: metal Color: silver Model: D8-MOTOR80 Rated voltage: 9-12V Thread rod diameter: 3mm / 0.1in Thread rod length: 90mm / 3.5in Slider block stroke: 80mm / 3.1in Drive mode: bipolar drive Thread rod pitch: 0.5mm / 0.02in (moves 0.025mm per step; microstepping driver can be used for smaller increments) Drive voltage: 12V DC Current per phase: 800mA/phase Coil resistance: 15 10%/phase Number of phases: 2 Step angle: 18/step Excitation: 1-2 phase excitation Pull-out thrust: 500g or more at 125pps Maximum response frequency: 1600pps or more Maximum starting frequency: 1100pps or more Insulation class: Class E Insulation strength: 100V AC for one second Insulation resistance: 50M DC 500V Operating temperature: 0C to +55C Motor temperature: up to 80C Item size: 105 x 15mm / 4.1 x 0.6in Item weight: 46g / 1.6oz Note: The motor must be driven by a driver and cannot be directly connected to power. Package list: 1 x Motor with Linear Slide Content limited to the above; other items not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance: +/- 1-3cm.