Our 9-in-1 square drive ratcheting multi-bit driver features 3-1/2 in interchangeable power groove bits that are power tool compatible giving you maximum jobsite versatility. An all metal ratchet gives you 2X faster driving in high torque applications without sacrificing durability or control. 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 excellent jobsite durability. The compact screwdriver features magnetic bit retention providing you with consistent driving performance. The Milwaukee® 9-in-1 square drive ratcheting multi-bit driver is designed for the jobsite.