This product is mainly used for opening and positioning tiles, which is very suitable for laying tiles. Can be used for ceramic tile, glass, marble, wooden plank, can be co.ukeely deformed and used in various ways. Laser calibration, high precision, clear reading. Made of aluminum alloy, anti-drop, durable. Package includes: 1 x twelve folding rule Features: 2 units: CM and inches Made of aluminum alloy, anti-drop, durable. Laser calibration, high precision, clear reading. Can be co.ukeely deformed and used in different ways. Can be used for ceramic tile, glass, marble, wooden planks. This product is mainly used for opening and positioning tiles, which is very suitable for laying tiles. Specification: Material: aluminum alloy Color: black By ruler size: 175 * 25 * 2.3mm Weight: 370g The package includes: 1 x twelve folding rule