1. Material: alloy steel 2. Cutting diameter: 400 mm 3. Sucker diameter: 55mm 4. Pole length: about 220 mm / 8.66 inches 5. Product size: 240 x 55 x 55mm 6. Product weight: 200 grams 7. No waste, no breakage and easy to use, ideal tool 8. Innovative and advanced design, this glass round knife can cut precise circles 9. Professional 360 degree rotating roller glass compass cutting machine can spray oil, accurate and practical 10. The high-hardness alloy cutting wheel has been carefully designed to cut neat parts sharply and has high work efficiency 11. The handle is made of polished metal with clear scale and easy to read
