features 1.8 degree step angle, 2 phase, allowing for a holding torque of 0.4N.M. 5pcs in 1 set. Frame Size: 42 * 42 * 38mm. Feature: Apply for 3D printer, machinery and equipment. 1.8 degree step angle, 0.4N.M holding torque. Motor size: 42 * 42 * 38mm. Lower noise and running temperature. 5pcs in 1 set, comes with a 5pcs of lead cables(approx. 90cm).