Description: The rotary roller module is applied to engraving curved surface and cylindrical objects such as round wood, cup, cans, bottles and glass etc. The rotary module is fully assembled. easy wiring. The rotary module is adjustable according to different size of cylindrical objects. The rollers spacing can be adjusted by relocating the screws to fix different size of objects. There is a bracket with wheels which is designed to provide support to goblets such as wine glass. The angle of the holder is adjustable according to different objects. Made of high-quality stainless steel. Low working noise and high efficiency. Specification: Material: Stainless Steel Size: 31x12x8.5cm/12.20x4.72x3.35inch Package Includes: 1 Piece Rotary Roller Engraving Module Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!