Features and Benefits:All metal ratchet: durable high torque ratchet for 2x driving speed and maximum control;Wrench ready: Hex shanks for additional leverage;Chrome plated bits;Magnetic bit retention delivers consistent driving performance;Limited Lifetime Warranty;Power groove bits for power tool compatibility and jobsite versatility;Precision machined bit tips: durable tips for secure fitment;Milwaukee 9IN1 ratcheting multi-bit drivers feature 3-1/2 in. power groove bits for power tool compatibility and maximum jobsite versatility. The chrome plated bits provide marine-grade rust protection and reduce wear from the elements on the job. The all metal high torque ratchet allows for 2X faster driving without sacrificing control. Milwaukee 9IN1 multi-bit drivers are designed for the jobsite and include Milwaukee's Limited Lifetime Warranty.