1-1/2" Full Bullnose Profile Granite Router Bit V40 Free 1-3 days expedited shipping by USPS Diamond full bullnose router bit for cutting and shaping the edge of granite or other stone slabs Coarse grits for fast cutting 5/8-11 standard mounting thread for grinders and polishers Good for both wet and dry cutting with water feeding holes included in larger bits Designed for 40mm or 1-1/2" slab thickness