Germany to European Union Customers. 4 x 23HS2430B Stepper Motor (Dual shaft, 425oz-in, 3A, 112mm). Step angle accuracy:+ - 5%(full step, not load). Resistance accuracy: + - 10%. Inductance accuracy:+ - 20%.Temperature rise: 80deg Max(rated current, 2 phase on). Ambient temperature -----20deg ---- +50deg. Insulation resistance:100ohm Min, 500VDC. Insultion Strength----500VAC for one minute. Note:We can manufacture products according to customer's requirements. Embroidery machine, stage lighting, textile automation, printing. Please give us the opportunity to resolve any problem when you have, we concern your problem and we will try our best to resolve it. When you have the parcel, and not satisfied the goods or it is other problem like as broken, pls tell us the detail reason and provide the photos. Item must be in it's original condition and no physical damage. Customer's satisfaction is very important to us.