DIMENSIONS: 11.1" L x 9.0" W x 3.6" D and weighs 4.5 pounds | VERSATILE: Bits are manufactured in both metric and standard sizes to cater to the requirements of different customers | FEATURES: Rubber Over-molding on the short and extended driver for non-slip grip and improved ergonomics | EASE OF USE: Hollow-ground bits ensusre a precise fit to prevent damage to screws | INCLUDES: (2)Drivers, (28)flat hollow ground bits, (26)hex bits, (15)nut driver bits, (13)torx bits, (5)philips bits, (5)specialty bits, (3)square bits, (1)hex adapter, (1)bit extension, and storage case that latches to keep contents organized and secured | DURABLE: Bits are constructed of strong, S2 tool steel and coated in black phosphate to prevent rust