HOLE SIZE: The standard opening size is 25mm, 40mm, 45mm, 55mm semicircle. FEATURE: One-click positioning, reducing the time required to draw the line and find the position. Multi-hole measurement, accurate measurement, wide application. EFFICIENCY: Fixed screw cap provides flexibility, 360-degree free adjustment to prevent errors and improve work efficiency. MATERIAL: Made of high quality stainless steel, durable and practical to use. APPLICATION FOR: Used for precise positioning of marble and ceramic wood and plastic drilling. Universal Stainless Steel Hole Punch Tool - Ceramic Tile Hole Locator - Measuring Range 300mm Description: Drilling Hole Puncher Locator, Adjustable Opening Hole Position Ruler, Universal Tools for Drilling Holes, Ceramic Tiles and Marble Floors. The standard opening size is: 25mm, 40mm, 45mm, 55mm semi-circular hole, the size is versatile, you can determine the position of the 84-line area, one-click positioning. Made of high quality stainless steel, durable and practical to use. Adjustable position ruler, used for: floor drilling hole drilling tools / carpentry / building / DIY. Provides high accuracy and comfort when installing tiles. Specification: Material: stainless steel Hole size: 25mm, 40mm, 45mm, 55mm Measuring range: 300mm Package included: 1 x ceramic tile hole locator Delivery quantity: 1 piece Product color: silver Product size: length 400mm Note: Manual measurement, please allow 1-3cm error.Lonvre