ITEM NAME:Nema11 4 Wire 1.8 Degree CNC Stepping Stepper Motor 33mm 0.6A 8.5oz.in D1E4 Nema11 4 Wire 1.8 Degree CNC Stepping Stepper Motor 33mm 0.6A 8.5oz.in D1E4 Product Name : Stepper Motor Model No. : 28HS3306A4 Frame Size : 28 x 28mm (Nema 11) Step Angle : 1.8 ° Rated Current : 0.6A Motor Resistant : 5.5 Ohm Motor Inductance : 3.2 mH Holding Torque : 6 N.cm/ 8.5 oz.in Detent Torque : 0.4 N.cm/ 0.57 oz.in Rotor Inertia : 8g.cm2 Shaft Diameter : 5mm/ 0.2inch Shaft Length : 20mm/0.78inch Motor Length : 33 mm/1.3Inch Cable Length : 25cm / 9.8inch Mouting Hole Dia : 3mm/0.12inch Material : Metal Color : Black Weight : 110g Package Content : 1 x Stepper Motor (Non-OEM) Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.