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 best 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.