This contractor-grade 70-Piece Drill and Driver Set features Ultra-Lok 1/4" hex shanks compatible with all quick-change systems. Black oxide coating resists rusts. Includes nut drivers, spade bits, drill bits, insert bits and more. From Duluth Trading Com
70-piece set of drivers in a compact, portable case
Compatible with electric or battery-powered drill/drivers, and impact drivers
Ultra-Lok 1/4" hex shanks fit all quick-change connector systems
Made of hardened steel with rust-resisting, black-oxide coating
Set includes nut drivers, spade bits, drill bits, insert bits, adapters and maximum magnetic extension
Packaged in a high-impact plastic case
No matter how carefully you pack your truck's tool box, you can pretty much guarantee that you'll get to the job site and find out that you've packed everything except the bit or driver you need to tackle the project. UNLESS you've packed this 70-pc. set of pro-grade bits and drivers. The Ultra-Lok 1⁄4" hex shanks are compatible with all quick-change connector systems – ideal for use with battery or electric drills/drivers and impact drivers. Hardened steel bits have a rust-resisting black-oxide coating. Set includes all popular sizes of nut drivers, spade bits, drill bits, insert bits, adapters and maximum magnetic extension. Everything is neatly organized in a high-impact plastic organizer that'll save you a bunch of trips back to the shop.