Features: Unlock precision: 4th axis CNC rotary module kit for TTC450-redefining processes. Improve your CNC efficiency with the TTC450's 4th axis rotary module kit. Explore versatile machining, 3D mastering, and precision craftsmanship. Redefine craftsmanship and create unparalleled CNC art! Maximum clamping diameter for round cylinders: 60mm. Minimum clamping diameter for round cylinders: 4mm. Maximum clamping length for round cylinders: Depending on the machine's working length. (Distance occupied by the chuck kit and top pin kit needs to be subtracted.) Minimum clamping length for round cylinders: Depending on the machine's tool head. Chuck reduction ratio: 4:1. Center height: 50mm, Total height: 76.5mm. Advantages: Rust-resistant coating process, stable three-jaw chuck structure, fine workmanship, sturdy and practical jaws, excellent craftsmanship for maximizing the lifespan. Applications: The fourth axis can be used for three-dimensional processing of cylinders, bent pipes, and circles. The fourth-axis engraving machine can be used for carving spirals, scars, bamboo joints, etc. Specifications: Round cylinder assembly: 130*80*80mm Notes: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-3mm measuring deviation due to manual measurement. Thank you for your understanding! Packing List: Fourth axis*1 Connection cable*1 Pull lever*2 Screws*several Soft ruler*1 Tool kit*1