• Designed for durability and has the flexibility required to sharpen the largest range of dull or broken bits from 1/2” to 3/4" bits. The precision, accuracy, and durability of the DD750X, due to its metal core, makes this an ideal model for the pro audience.• Sharpens standard-twist bits from 3/32”- 3/4” with a single, convenient chuck• 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• 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• Adjustable Material Take-Off lets you set the amount of material taken off based on the amount of damage on the bit• Custom Point lets you adjust the point angle from 115° to 140°• Quick Change diamond sharpening wheel means no tools are needed to change worn or different grit wheels• Variable