Made of high quality carbon steel, strong and durable. Size: 25 x 4 cm; accuracy: 0.1 mm. Adjustment screw can be securely locked. Stable operation offers you firm and efficient work. Package Content: 1 x Stainless Steel Ruler. Product Description Features: Made of high quality carbon steel, strong and durable. Maximum length 250mm, hardened steel rim 40mm wide. It is marked with precision graduations to help better display the size. Knurled screw for locking the stem. Adjustment screw can be locked securely. Its stable operation gives you firm and efficient work. Features: Material: carbon steel. Precision: 0.1mm. Dimensions: 25 x 4 cm. Colour: Light grey. Quantity: 1 piece. Package contents: 1 marking gauge. Note: Dimensions shown may vary slightly due to manual measurement. Thanks for your understanding. Due to the different monitor calibration, the color of the item shown in the photo may be showing slightly different from the actual item. Please refer to the actual product.