"15 color-coded interchangeable shafts. Handle features gearforce technology for proven strength and 5 ratcheting arc with dual-durometer grip for exceptional comfort and high torque. Storage case. Limited lifetime warranty. SAE Socket Size in. 3/16-1/2, Handles qty. 1, Pieces qty. 16, Metric Socket Size mm 5-12, Measurement Type Standard SAE/Metric, Storage Type Plastic case, Specialized Pieces qty. 15. Limited lifetime warranty"