Lengthened size – Perfect for stair stringers layout, rafter layout, and similar tasks. Easy layout on any material, especially when there are crevices in the edge of the wood. Patented product. Recessed cutout – Align with the ruler marks on the frame, the ruler marks can be seen through the concave cut when the gauge is fully inserted, increasing visibility. Dedicated design – The gauge is equipped with steel wire rope to secure it in a dedicated place to prevent loss. It is also very light and easy to store. It can be hung on the work bag, magnetic tool panel, and rack. Made of anodized aluminum alloy. Hexagonal plane provides more friction and can work better. Multiple functions – Stair stringers and rafter layout, rip for circular saw, framing attachment, marking repetitive angles, and making angle cuts. Material: Aluminum alloy Color: Blue Package Contents: 2 * Auxiliary Clip Ruler Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item to appear slightly different from the real thing. The measurement allows an error of +/- 1-3cm.