Milwaukee Tool's 10 in 1 multi bit drivers all feature 3-1/2" power groove bits for power tool compatibly and extended reach. The combination set includes two multi bit drivers, two ratcheting multi bit drivers and three key driver sets. Each tool features chrome plated bits for marine grade rust protection and magnetic bit retention. Additional inclusions like the wire stripper, loop maker and wrench-ready hex shank provide further jobsite functionality for increased productivity.