Engrave round things like mugs, tumblers, balls and rings with your xTool laser. The RA2 Pro switches between four rotary modes. Works With xTool P2S, P2, S1, F1, M1, D1 Pro, F1 Ultra and M1 Ultra xTool D1 and other open-frame laser engravers What It Does Four modes: roller, chuck, sphere and ring rotary Engraves mugs, tumblers, cylinders, balls and rings Spins at up to 360 degrees a second with 0.45 degree control Soft-pad jaws grip tight and protect fragile items Comes with double step and single step jaws. You can also 3D print your own What's Included RA2 Pro: the rotary, pre-assembled, with a mini level, tape measure and hex key RA2 Pro Deluxe: the RA2 Pro with added parts Setup and Software Works in xTool Creative Space, LightBurn and LaserGRBL Separable level tool keeps long or odd items centred Specs Engrave diameter: roller 3 to 198 mm, chuck 0 to 100 mm Sphere 25 to 100 mm, ring 11 to 70 mm Size: 321 x 138 x 105 mm Package weight: 2.33 kg Chuck: 50 mm, 4:1 gear ratio