INCRA 18-In. Precision T-Rule is a measuring tool designed to enhance accuracy and ease in your woodworking or drafting projects. This precision-engineered T-Rule features marking holes and slots at every graduation, allowing you to guide your pencil or scribe with confidence and eliminating the risk of slipping off the mark. With this tool, repeat measurements become exact, reducing eye strain and improving your workflow. The T-Rule can be used to make precise measurements referenced from the edge of your workpiece or to draw parallel lines by sliding the T-bar along the edge. Its ultra-thin stainless steel blade is pierced with micro fine holes and slots at 1/16", 1/32", and 1/64" increments, providing versatility and precision. Made in the USA, this tool is a for anyone seeking accuracy and reliability in their measurements.