Features: 1Woodworking rightangle clamp firm clamping convenient and practical used for splicing fish tanks and photo frames. 2With two measurement units of metric system and inch system the scale is clear which is convenient for measuring all workpieces. 3Quick lock button push up to quickly lock the clamping object effectively improve work efficiency. 4Using highquality aluminum alloy material wearresistant and durable longterm use. 5With a protective cover it can effectively protect the surface of the object from being pinched suitable for woodworking. Specification: Item Type: Right Angle ClampMaterial: Plastic+Aluminum AlloyWeight: Approx. 123g / 4.3ozProduct Size: Approx. 178x178x42mm / 7.0x7.0x1.7inEffective Clamping Range: Approx. 0-90mm / 0.0-3.5inChuck Height: Approx. 30mm / 1.18inChuck Width: Approx. 35mm / 1.38inApplicable Type: Frame Carpentry ClampingHow to Use: Place the woodworking right-angle clamp on the object to be measured quickly lock the clamp and then use it Package List: 1 x Right Angle Clamp Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.