Package includes: 1 x 4th axle K11-100 mm kit (including stepper motor and 3 jaw chucks), 1 x 65 mm tailstock, accessories: set of claw protection and wrench. Grundde Parameters -K11 100 mm three-jaw centring chuck: middle height: 65 mm; total height: 115 mm, angle: 0.3°/step, diameter of gear output shaft: 25 mm, with 57 stepper motor rotation ratio - 6:1, with 86 stepper motor rotation ratio - 4:1. High quality – rust-proof dust cover, polishing and anode oxidation cover, rust protection coating. The chuck has a stable structure and careful workmanship without burrs. The clamping jaws are strong and practical. Excellent workmanship guarantees a long service life. Wide range of uses: the fourth axis can be used for three-dimensional machining of cylinders, bends and circles. The fourth axis engraving machine can be used for engraving spirals, scars, bamboo joints, etc. Self-locking thimble positioning, removable, free to replace different types of Mo type 2 thimbles. Retractable rotating ejector pin, maximum retractable length 35 mm, stable operation, low deflection., Manufacturer: RTM