INCRA Precision X-Y Marker 3 in. x 6 in. is designed to eliminate guesswork when marking precise drill points. Unlike traditional methods where drawing perpendicular lines can be off, this innovative marker rule measures both the X and Y axes simultaneously with exceptional accuracy. Its 6" by 3" surface features marking holes every 1/16", ing 4,608 precise positions to choose from. Reference lines appear every 1/4" with double lines at every full inch, ensuring quick and reliable measurements. The marker is securely positioned by fences, and precision-machined holes guide your 0.5mm pencil or scribe to the exact spot. Made in the USA, this tool is virtually mistake-proof, making it an essential addition for anyone requiring accurate layout work. Model Number: