Hole locator in ceramic tiles Ruler Drilling Artifact Hole Punch do ceramic wall thickness 40 cm Description: Fixed screw with flexibility, 360 degree adjustment to prevent errors and improve work efficiency. Do accurate positioning and drilling. Stainless steel material, high hardness, not easy do deformation, not easy do rusting. Support simultaneous measurement of more than two hole positions. Multi-directional measurement, multi-directional adjustment, convenient and fast Calibration is accurate. Specification: Material: Punch: stal stainless : ABS Size Chart: Punch: Thickened: 30x40x0.08cm or 11.81x15.75x0.03 inch Extra thick: 30x60x0.17cm or 11.81x23.62x0.07 inch : Length: 28 cm or 11.02 inch Extendable Width: 13 - 21 cm or 5.12 - 8.27 inch Clamping Range: 4-83mm or 0.16-3.27inch Drill Bit: 25mm or 0.98 inch 40mm or 1.57 inch 50mm or 1.97 inch 55mm or 2.17 inch The package includes: 1 Set the tool do tiles