The McMaster 8718A12 60 Grit Grinding Bit Set includes 50 pieces of grinding bits with a 1/4 shank for efficient grinding tasks. Made by the reputable brand McMaster, these bits are designed specifically for grinding applications, ensuring precision and quality results. Perfect for DIY enthusiasts and professionals alike, this set provides a variety of bits to suit different grinding needs in the workshop or at home. With a focus on durability and performance, the McMaster 8718A12 Grinding Bit Set is a valuable addition to any tool collection.