Features [360 Degree Engraving] This laser rotating roller can help you do 360° engraving on cylindrical objects, such as cans, bottles, tumblers, pens, etc. [Flexible and Adjustable] The rotating roller is 3 steps, the width can be adjusted from 0 to 30mm, and the engraving length and diameter can be adjusted from 30 to 200mm. [Pre-Assembled] The rotary module has been pre-assembled, just connect the Y-axis terminal to connect to the laser engraving machine for use. [Wide Compatibility] This CNC rotary drum can be used with most laser engraving machines, easy to install and operate. [High Performance] The rotary drum engraving module adopts an upgraded motor with high precision and stability. Specification: Item Type: Engraving Rotary Roller Material: PVC, Stainless Steel, Sponge, Rubber Engraving Roller Length: Approx. 195mm/7.7in Width Adjustment: 3 Gear, Approx. 0-30mm/0-1.2in Engraving Roller Diameter: Approx. 30-200mm/1.2-7.9in Motor Model: for NEMA17 Approx. 42x34mm/1.7x1.3in Function Structure Type: Roller rotation, chuck rotation, spherical engraving module, annular engraving stud Package List: 1 x Engraving Rotary Roller 1 x User Manual 5 x Hex Wrench 4 x Power Cord 4 x Screw 2 x Gasket 1 x Terminal Package List 1 x Engraving Rotary Roller 1 x User Manual 5 x Hex Wrench 4 x Power Cord 4 x Screw 2 x Gasket 1 x Terminal