Prepare to enjoy shaping with more control and precision. The Square Large Microplaner Rasp is designed for general shaping and smoothing where larger blades will not fit. It is also excellent for cutting flat bottomed notches and triangular grooves. Use as an alternative to coarse sandpaper, when freehanding wood shapes, or when enlarging an electircal box hold in wood or drywall. Each shaper creates small shavings, which are much healthier than dust particles, and can be used on wood, plastic, sheetwork, rubber, and similar materials. Measures 12 1/2" x 5/8" x 1".