Compact and sturdy design of the hand Edgers ensures longer product life under harsh working environment Diamond wheel are designed to give excellent Supra grooving from its face side All Edgers have a buffing wheel to give a glossy polish to CR lenses. Glossy polishing for CR lens possible by buffing wheel Diamond drill attachment included with the machine for better drilling of 3-piece Operation Mode : Semi-Automatic Handling : Portable Voltage : 220 V No Of Phase : Single Phase Dimension : 22cm x 48cm x 26cm Hand Edger