Our 9-in-1 TORX® Key drive multi-bit driver features 3-1/2 in interchangeable power groove bits that are power tool compatible giving you maximum job site versatility. The multi-bit screwdriver also has wrench-ready hex shanks providing you with additional leverage. The interchangeable bits are precision machined and chrome-plated, providing marine-grade rust protection and reduced wear giving you the best job site durability. The screwdriver features magnetic bit retention providing you with consistent driving performance. The Milwaukee® 9-in-1 TORX® Key drive multi-bit driver is designed for the job site and includes Milwaukee® limited lifetime warranty.