• Designed for durability and has the flexibility required to sharpen the largest range and most popular sizes of dull or broken bits—including split points and masonry bits. You can even increase capacity with ¾” chuck accessory. The DD500X is ideal for the serious drill bit user—DIY, hobbyist, and professional.• Sharpens 118° and 135° bits.• Sharpens 3/32”-1/2” standard-twist bits.• Sharpens high-speed steel, masonry, carbide, cobalt, TiN-coated, and split-point bits.• Creates split-point bits from standard bits.• One-piece alignment system improves precision, and adjustability.• New longer jaws hold bit more precisely and jaw guides eliminate jaw twisting on small bits.• Features a durable, metal split-point port designed to reduce oversplitting.• Quick Change diamond sharpening wheel means no tools are needed to change worn or different grit wheels.• Variable Alignment lets you adjust chisel and relief angles to customize your bits to suit your drilling application.• Sturdy carryin