Package includes: 1 x 4th axle K12-100 mm kit (including stepper motor and 4 jaw chucks), 1 x 65 mm tailpole, accessories: Set of claw protection and wrench Basic parameters - middle height: 65 mm; total height: 115 mm; angle: 0.3 / step. Diameter of the transmission output shaft: 25 m; reduction ratio: 6: 1 (belt delay mode) High quality – rust-proof dust cover, polishing and anode oxidation cover, rust protection coating. The chuck has a stable structure and careful workman without burrs. The jaws are strong and practical. Excellent workman a long service life. Application: the fourth axle is versatile and can be used for three-dimensional processing of cylinders, bends and circles. The fourth axis engraving machine can be used for engraving spirals, scars, bamboo joints, etc. - If you have any problems after receiving the product, please contact us by email. We will solve the problem as soon as possible for you and give you a satisfactory solution., Manufacturer: RTM