This stepper motor linear rail is made of , which can withstand use. Features the SECC material, which has high durability, not easy to deform. Fine workmanship, practicality. Features -Color:Silver -Material:SECC -Size:10.50X2.50X1.50cm/4.13X0.98X0.59in Operating temperature range: -0"+55'C Motor surface temperature: 80 degree centigrade or lower Driving voltage: DC12V/maximum 800mA Coil resistance: 15+/-10%ohm/phase : 18 degree/step Number of phases: 2 Drive mode: bipolar Max response frequency: more than 1600pps Max starting frequency: more than 1100pps Insulation strength: for one second Insulation resistance: 50M ohm 500V - Small and lightweight, this guide and linear slide is perfect for small teams. - The main body is SECC, is plastic, the tool is easy to use and . - Can be used for DIY small slider projects, measuring equipment, printers, etc. - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one. - It is characterized by a sturdy and reliable texture, not easy to break, serving you for a long time. Package list: 1 x stepper motor rail