Feature:1. Professional rulers are constructed for maximum durability. The blade is engraved with a laser mark with a scale and a white mark on the black smooth background to improve the discernibility2. Each blade has a layout of 2 holes on the handle surface, which is expected to improve accuracy, and accurate positioning can be achieved by marking the holes in two rows3. By inserting a 0.5mm pencil core into the marking hole, you can easily mark the length, diameter and size4. Stable but lightweight, the 90-degree blade is made of 2mm thick anodized aluminum material, this stable cast aluminum tool plate is strong and lightweight5. Measure and mark tool for woodworking carpenters, suitable for aluminum steel frame professional woodworking useSpecification:Item Type: TType RulerMaterial: Aluminum alloyApplicable Scenarios: Measuring and marking woodworking carpenters-aluminum steel frame professional woodworking useRange: 12inchAccuracy: 1/32inch(0.8mm).Package List:1 x T-Type Ruler