Features:<br> 1.<br> Designed for professional use, the Heavy Duty Circle Cutter will make clean cuts.<br> 2. Better and Faster -<br> The tempered steel body features marked graduations on the beam for fast measurement and application.<br> 3. Multipurpose -<br> Will cut plywood, laminates, composite boards, gypsum board, plastic, dry wall, rubber & many other materials.<br> 4. Great Value -<br> This round shank circle cutter is great for making smooth cuts through most materials, including wood, composite, dry wall, Sheet, metal and more.<br> 5. Easy To Adjust -<br> Adjust diameter of hole by locating the inner part of the cutter holders against the graduated scale.<br> 6. Changeable Center bit for thinner or thicker materials.<br> 7. Slide Bar marked in graduated metric for precise adjustments.<br> Notice: Actual color may be slightly different from the image due to different monitor and light effect.<br> Specification:<br> Material: carbon steel<br> Cutting diameter (mm): 40-300<br> Handle diameter (mm): 10-13<br> Chip flute length (mm): 50<br> Useful length (mm): 30-300<br> Overall length (mm): 120-300<br> Cutter length: 120-300 (mm)<br> Full length : 150 (mm)<br> Shank diameter : 10-13 (mm)<br> Cut holes: 30 mm - 300 mm<br> includes:1 x hole opener<br> 1 x wrench<br> 2 x alloy blades