- Latest innovation utilizing GearForce Technology brings a new standard in ratcheting drive tools.- Fine tooth ratcheting mechanism for proven strength and fine ratcheting arc.- Interchangeable Nut Driver Shafts covering a variety of SAE and Metric applications.- Contoured handle features a dual durometer grip for exceptional comfort and high torque.- Packaged in a case.Includes:- 1 - Stubby GearDriver Handle.- 7 - Interchangeable Fractional Nut Driver Shafts: 3/16", 1/4", 5/16", 11/32", 3/8", 7/16", and 1/2".- 8 - Interchangeable Metric Nut Driver Shafts: 5, 6, 7, 8, 9, 10, 11, and 12mm.