21-pc. 3/8" Drive Professional Metric Socket Set

Features: Drop forged, chrome vanadium steel Heat-treated and chrome plated for durability Spring-loaded ball bearing on ratchet and extension locks sockets securely in position Ratchet has a built-in speed disc for fast ratcheting action and a rubber handle grip for non-slip comfort and added torque Tapered 6-point socket end for easy access to nuts and bolts Notches in socket lock onto ratchet and extension bar Complete with durable molded plastic case Contents: 9-pc. 3/8" DR. 6-point socket sizes:                    9, 10, 11, 12, 13, 14, 15, 17, 19mm 8-pc. 3/8" DR. 6-point deep well sockets:                   10, 11, 12, 13, 14, 15, 17, 19mm 2-pc. 1-3/4" & 3" extension bars 1-pc. 8" reversible ratchet handle with built-in speed disc 1-pc. molded plastic case     Specifications: Manufacturer  Cal Hawk Tools Case Quantity 120 Item Weight 3.70 lbs. Item Package Dimensions (L x W x H) 13.25" x 4.25" x 1.88"