Serviceable and precise construction: Crafted from grade aluminum alloy, this straightedges metal wheel ruler is inflexible, 1 in wide, and 5/32 in thick. Its red matte finish and clear lettering support durable marking and scribing, delivering longlasting durability and accuracy in every use. Versatile measuring tool: Measure the height of table milling heads or table saw blades with the vertical scale (1/4–3/4 in) at the end of the pocket ruler. A small notch holds the pencil in place, forming an alignment line and guiding the mark as you drag the ruler, making it suitable for various applications. Portable and practical: The ttype pocket ruler is moderately sized, making it easy to carry and use. This accurate ruler is an measuring tool for engineers, suitable for workshops, home improvement projects, toolboxes, and cabinets, providing convenience and accuracy wherever needed. Stable and controlled marking: The end notch design of the woodworking pocket ruler tool holds the pencil tip securely, facilitating control of parallel lines. This feature effectively prevents slippage, ensuring more accurate data and precise markings for your projects. Use scenarios: Check and set the height of milling heads or saw blades by reading the vertical scale and marking with the pencil held in the notch. Scribe precise parallel lines on wood or metal stock for accurate cuts or joinery. Mark cabinet heights, shelf positions, or panel alignments in workshops or home improvement projects.