Features: Durable material and high quality. 2 phase 4 wire motor with good performance. You can connect A+, A-, B+, B- directly, regardless of the flexible flat cable. Small size, light weight, easy to operate. Mainly used for DIY small slipway, laser engraving machine, instrument and equipment, etc. Specifications: Motor type: 2 Phase 4 Wire Drive voltage: 4-6V Current: 500mA Thread rod length: 74mm / 2.9inch Thread rod diameter: 3mm / 0.1inch Motor diameter: 15mm / 0.6inch Slide block stroke: 64mm / 2.5inch Thread Rod Pitch: 3mm / 0.1inch Drive mode: CD drive Step angle: 18° Size: Approx. 90 x 30mm / 3.5 x 1.2inch Weight: Approx. 47g Package Included: 1 x CD Drive Stepper Motor Note: The motor is an imported motor for disassemble, and the flexible flat cable is sometimes not in good condition, do not affect the use, please understand. 1、Durable material and high quality 2、2 phase 4 wire motor with good performance 3、You can connect A+, A-, B+, B- directly, regardless of the flexible flat cable 4、Small size, light weight, easy to operate 5、Mainly used for DIY small slipway, laser engraving machine, instrument and equipment, etc.