Stained Grinder - Industrial Mini Portable Diamond Glass Art Grinding Tool with Diamond Grinder Bit (110V, 0.1A 65W) Suitable for grinding glass, ceramics, and other hard and brittle materials. Grinds a variety of geometric shapes: flat, curved, rounded corners, slopes, etc. The new design switch prevents electronic conduction. Suitable for grinding hard and brittle materials like glass and ceramics. Automatic water feature available for certain sizes (5/8�� 1��). Mini size makes it easy to carry. Inside the rotary shaft (the fine shaft of the grinding head) diameter: 0.7cm, Grinding wheel inner diameter: 0.79cm. --- Specifications: Voltage: 110V, 0.1A Power: 65W Rotating speed: 4200r/min Working table size: 165x165 mm Machine size: 195x195x160 mm Machine weight: 2kg Color: Red ----Package included: 1 x Glass Grinder 1 x 5/8�� diamond grinder bit (MCBL58 Grinding Wheel) 1 x Fuse 1 x L wrench 1 x English Manual