Product descriptions from the supplier Overview Stainless Steel X-axis Ball Screw Electric Slide Stage PB110-15 Product parameters Model Number PB110-15 Travel �±7.5mm Platform Size 40�?40mm thickness 20mm guide Linear ball guide Driving mode Grinding ball screw, lead 1 mm Surface treatment and main body material Stainless steel / electroless nickel Net weight 0.5kg Max speed 10mm/sec One way positioning accuracy 15�¼m Repeat positioning accuracy �±3�¼m idle 4�¼m Parallelism 20�¼m Straightness of motion 3�¼m Motion parallelism 10�¼m load 8kgf electric machinery Two 28 step motors Step angle 1.8�° supply voltage DC24V�±10% sensor 1 origin sensor 2 limit sensor Entry cable 12Pin male coaxial cable