1The opening is neat, no broken side, and the incision resistance is small. Full opening speed, easy drafling 2Can be used in glass, tiles, stone, floor tiles, marble, etc., multimaterial drilling hard, hardcore 3The torsion is large, the load is high, effectively prevent slipping to clamping more stable, not easy to break, improve work efficiency 4The opening device adopts special opening design, cutting resistance, large shaker design, especially 5The service life is effectively extended, and you can use it for a long timecan be easily and easily opened Item Type: Hole OpenerMaterial: AdamasUses: It Can Be Used in Glass, Tiles, Stone, Floor Tiles, Marble, Etc., Multi-Material Drilling Hard, HardcoreLength: Approx. 66mm or 2.6inMaximum Aperture: Approx. 22mm or 0.9in .wang-edit-text{ font-family:'Arial' !important } .wang-edit-text table { border-top: 1px solid 000 border-left: 1px solid 000 } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000 border-right: 1px solid 000 padding: 3px 5px } .wang-edit-text table th { text-align: center } 1 x Hole Opener Please allow 0and 8209 2 cm error due to manual measurement. Thanks for your understanding.