Description:Drillpro Upgraded Aluminium Alloy 90 Degree 120x120mm Precision Clamping Square Woodworking L-Shaped Auxiliary Fixture Machinist Square Positioning Right Angle Clamping Measure :Drillpro Material: Aluminum Alloy Surface treatment: Anodized Size: 120x120mm Scale: Metric and Inch Thickness: 16mm Angle: 90 right angle Application: Wood jigs fixing fixture, right angle positioning Features: - Precision 90 degree square, with mm and inch scale. -Aluminum alloy material and anodized treatment, high hardness, rustproof, non-corrosive. - True right angles for both inside and outside the square. - Designed to be attached to boxes, frames, etc. to help with squaring during glue up. - 90 degree positioner is suitable for wooden jigs. - Accurate calibration, easy operation, not easy to damage fragile cutting edges.- ThisRight Anglepositioner has two extra slots. Package Includes: 1 x Right Angle PositioningRuler