Material and durability: The ruler limit block is brass, offering wear resistance, toughness, rustproof properties, and good resistance to deformation under normal use. Size and portability: The steel ruler positioner is very small and portable, pocketfriendly and spacesaving when not in use. Easy operation: The woodworking ruler locator uses a screw to fix the ruler, enabling convenient installation and removal. Applications: Suitable for machinists, engineers, architects, woodworkers, carpenters, and other professionals. Use scenarios: Set a fixed stop on a ruler to control cut length or depth during drilling, routing, or other fabrication tasks. Transfer measurements along a workpiece by positioning the ruler stop for consistent spacing in cabinetry or furniture making. Align templates or marks on long boards, panels, or metal parts to improve layout accuracy during assembly.