Microjig 1/4 in. Shank Relief Router Bit is expertly crafted to create precise 1/4" relief grooves in your material, serving as the precursor to the MATCHFIT Dovetail Router Bit. This innovative relief bit efficiently removes up to 55% of waste material, significantly reducing the stress on your Dovetail Router Bits. By doing so, it not only improves the quality of the grooves but also extends the lifespan of your router bits. For ease of use, the bit features a laser-etched depth guide, allowing for quick and accurate size identification every time. Model Number: MB-025-025ST