DURABLE MATERIAL: The angle rulers and four clamping knobs are made of stainless steel, which makes the tool more durable than the plastic ones Simple to use: just place the jig tool on your material, slide the adjustable rulers into your desired shape and then tighten the screws Wide Range and Adjustable: Measuring range from 0-300mm, it is adjustable to measure right angle, 45 angle, tilt from 45, length, depth and width High Accuracy: The blade-shaped right angle ruler is ideal for interior decoration, precise measurement of machine parts and testing of machine tools Wide application: multi-angle ruler is perfect for builders, craftsmen, weekend warriors and DIY enthusiasts Quantity delivered: 1 piece