High quality: The woodworking line locator is made of brass nut and stainless steel, which is rustproof, durable and sturdy. Easy to use: The brass positioning block can be moved to the position you want, then just tighten the screws, easy to use. Double scale：The wood marking tool is marked with 2 different scales， centimeters in the front and inches in the back, can meet different measurement standard. Line locator for woodworking match: The woodworking line locator is suitable for a variety of steel ruler and is not easy to slip. Widely Usage: The carpentry ruler is suitable for carpenters and home users for a wide range of applications. Product Description: 12 inch / 30 cm stainless steel ruler combination metric square with Steel Ruler Locating Block Carpentry Line Locator Block DIY Measuring Tool Features: 1Made of brass and stainless steel, rustproof, durable and sturdy. < p>2Clear metric and imperial graduations up to 300mm / 12 inch 3Simple cutout tool, move it to the desired position, then simply tighten the screws. 4Loader locator All-purpose woodworking lines, suitable for a variety of steel ruler, and not easy to slip. 5Suitable for carpenters and home users for a wide range of applications.</p > Specification: Material: Brass, Stainless Steel Brass Positioning Block: 40mm / 1.56in x 20mm / 0.78in x 10mm / 0.39in Stainless Steel Ruler: 330mm / 12.87in x 27mm / 1.05in Steel Ruler Measurement Range: 0-30cm / 0-12inch Weight: 123g Package including 1 x Woodworking Positioning Block 1 x Steel Ruler lucky meet</p >Note: The data is all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.