Available exclusively from Hammacher Schlemmer, this is the only drill bit set one will ever need. It contains 300 bits for tackling any household repairs from simple tasks to intense week-long projects. The well-organized portable case has a labeled slot for each component and opens to reveal removable trays. Set includes 66 high speed steel (H.S.S.) twist drill bits and 50 H.H.S. drill bits from 3/64" to 1/2", 10 nut drivers from 5/32" to 1/2", 88 screwdriver bits including 25mm and 50mm sizes, 33 wood boring drill bits from 5/32" to 1/2", and 24 masonry drill bits from 5/32" to 1/2". Also includes a magnetic holder, Allen wrench, hole saws with adapters, and screw finders. 15 3/4" L x 8 1/2" H x 12 1/4" D. (16 1/2 lbs.)