6 200mm Huge Engraving SpaceThe diameter can be adjusted in 6 gears from 6mm to 200mm and supports a maximum engraving diameter of 200mm Pre assembled Plug and playNo installation is required just need to connect the Y axis cable to the engraving machine to use 360 degree Rotating Wide ApplicationLONGER laser rotary roller can be used with a laser engraver to 360 degree engrave cylinders or ultra fine objects such as round wood bowls cups beverage cans bottles pipes and over length plates etc Easy AdjustmentSturdy MaterialJust slide and fix the screw by hand and adjust the distance according to the different sizes of cylindrical objects Adopts high friction 70A anti slip rubber shafts and steel construction this rotary roller has a longer service life Widely CompatibilityComes with 2 motor extension cables this laser rotary roller can be compatible with other brands of engraving machines How to adjust the gear of the roller 1 The distance between two axis is 5mm suitable for engraving 6 38mm diameter objects 2 The distance between two axis is 23mm suitable for engraving 38 70mm diameter objects 3 The distance between two axis is 41mm suitable for engraving 70 102mm diameter objects 4 The distance between two axis is 59mm suitable for engraving 102 134mm diameter objects 5 The distance between two axis is 77mm suitable for engraving 134 166mm diameter objects 6 The distance between two axis is 95mm suitable for engraving 166 200mm diameter object