Specification:Model: SZ-008Number of Poles: 6Material: Plastic, Aluminum, Copper, Magnet steelPower: 600WAdjustable Speed: 400-4500rpmAdjustment Step: 100 stitches/minRated Voltage: 110VMotor Size: 20.5*10.5*20cm/8.07*4.13*7.87inController Size: 16*6*19cm/6.3*2.36*7.48inPackage Size: 31.5*28*21cm/12.40*11.02*8.26inGross Weight: 5kg/11.02lbsFeatures: Position-adjustable Spring: The spring of this servo sewing machine motor can be adjusted to multiple positions so that the spring force can be adjusted according to different needs to adapt to different work requirements.Wide Speed Regulation: The servo sewing machine motor has a speed regulation range of 400-4500rpm and an adjustment step of 100 stitches/min. The wide range of speed adjustments enables this motor to adapt to different work requirements.Details:Needle Bearing Shaft: This servo sewing machine motor is equipped with a needle bearing shaft. Only the needle roller and the sleeve are in motion so that the shaft and sleeve do not wear out. This will not create a gap even after a long time of use, which can extend the life of the motor.Thickened Base: The servo sewing machine motor's base is thickened, its strong and durable advantages can better support the motor.Two-way Fixed: The servo sewing machine motor is fixed with four screws in both directions, making it more stable.Package Included:1*Servo Sewing Machine Motor 1*Controller1*Pull Rod3*Shock Absorbing Pads2*Switch Fixing Screws3*Motor Fixing Screws3*Wire Buckles3*Flat Pads3*Spring Pads3*Nuts