This 30 In 1 Precision Bit Set Can Do It All. Set In Includes 30 Assorted Cr-v Bits, Bit Holder And Extension Shank. It All Comes In A Handy Storage Case. A "must Have" For Every Tool Box And Workshop. Made Of Chrome Vanadium Steel Cr-v.* Heavy Duty, Easy To Assemble Handle * Carrying Case Included * Makes A Great Gift