Item is new, however I opened the box to take photos. The box shoes moderate wear. All contents are new. &####128077;? Engraving Cylindrical Objects Successfully? The laser rotary roller can engrave 360° engravings on cylindrical or round objects such as wine glasses, cola cans, round tube, cups, bottles, pipes, bowls, drums and tubes and glass and other curved and cylindrical objects (unlimited length). The laser engraver rotary which is composed of acrylic sheet and metal material is sturdy and durable. It is smaller in size, and easy to carry. &####128077;? Hand-twist Knob Design & Easy to Adjust? The upgraded Y-axis rotary roller is fixed by hand-twist knob, which is very convenient to adjust the engraving diameter. It is more trouble-free and quicker than the traditional multi-stage fixed hole-adjusted rotary axis. Engraving roller diameter: 3-200mm, which can be used for engraving different size Cylindrical Objects. &####128077;? Widely Compatibility? Our y-axis rotary roller is compatible with most engraving machines laser engravers, cnc router machine, and etc. We have prepared 3 wirings with different wire sequences for you: white connect head wire (straight wire: 12V PWM GND), black connect head wire (cross wire: 12V GND PWM), adjustable step adapter motor wire (with wiring converter). Suitable for various engraving software Lightburn or LaserGRBL, etc. , and can support Windows, Mac OS, Linux system. &####128077;? Stable, Precise and Efficient Engraving? 4 anti-slip feet are designed to make the engraving process more stable, precise and efficient. Stable placement, high-quality conveyor belt, rubber-wrapped rollers to increase friction, smooth operation, placement of cylindrical objects can achieve 360-degree rotation engraving. &####128077;? 100% Pre-assembled & With Wine Glass Holder? The accessories are fully assembled, there is no complicated assembly, and you can use it simply by connecting the Y-axis cable port of the engraving machine. The wine glass holder supports the wine glass for engraving, so you can unleash your creativity. There are detailed and clear instructions and wiring in the package.