Metal ruler - Durable, rigid straight-edge ruler made from a premium aluminum alloy. It is not flexible. - Size: 1 inch wide, 5/32 inch thick, with a matte finish. Precision workmanship, clear markings, and a quality surface for marking and drawing lines. Woodworking ruler - Easy to read and pocket-friendly, with inch and metric scales. - Features durable laser-engraved grooves that won’t fade; designed to withstand moisture and everyday use. Vertical end cap and pencil notch - Use the vertical end cap (1/4" to 3/4" range) to measure router bit height on a table router. - A small notch at the end holds a pencil in place while you draw and align marks. Precise measurement - The pocket ruler and its slider are squared for accurate measurements on any design. - The woodworking ruler enables precise positioning of cuts; the adjustable sliding mechanism locks securely. - Knurled heads keep the slider in place and resist loosening during use. Use scenarios - Mark and layout cabinetry, furniture, or other woodworking projects with reliable markings. - Measure router bit height and align router bits on a router table for accurate milling. - Position cuts and check surface alignment during routing or joinery to ensure precision.