Milwaukee® 10IN1 Multi-bit drivers feature 3-1/2 inch power groove bits for power tool compatibility and maximum jobsite versatility. The chrome plated bits provide Marine-Grade rust protection and reduce wear from the elements on the job. Milwaukee 10 in 1 Multi-Bit Drivers are designed for the jobsite and include Milwaukee's limited lifetime warranty. Contains (1) 10IN1 Handle, (1) 3-1/2 inch HEX - 1/4 inch, (1) 3-1/2 inch HEX x 1/8 inch, (1) 3-1/2 inch HEX x 3/16 inch, (1) 3-1/2 inch HEX x 5/32 inch, (1) 3-1/2 inch HEX x 7/32 inch, (1) 3-1/2 inch HEX x 7/64 inch, (1) 3-1/2 inch HEX x 9/64 inch.