SAE hex key driver offers improved functionality versus traditional folding keys. Features 3-1/2" power groove bits for power tool compatibility. Revolver style bit storage and selection. Chrome plated bits provide marine-grade rust protection to reduce wear from the elements. Magnetic bit retention delivers consistent driving performance. Wrench ready hex shanks deliver additional leverage. Extended reach design. Up to 10 ga (gauge) wire stripper and loop maker for additional jobsite functionality. Limited Lifetime Warranty. Includes 1 each: 10-in-1 handle, 1/8", 1/4", 3/16", 5/32", 7/32", 7/64", 9/64".