1:1 Right Angle Bevel Gearbox for Simple DIY Mechanical Application. Specification: 1 module, 20 teeth, bevel gear with 2 x M4 screw holes, 6mm shaft, 1 input shaft drive 2 forward and reverse output shafts. Motor drive can be realized with coupling and belt pulley gear. Material: Aluminum alloy & #45 Steel, Overall Size: 100 x 75 x 25 mm. Note: it's simple steering gear, can not used for high troque and high rotating speed CNC application. UPDATE1. added 2x M4 fixing holes at the side; 2. updated right angle mounting bracket for vertical fixing; 3. updated handwheel/ crank handle for easy manual driving.