Features and Benefits:Chrome plated bits;Limited Lifetime Warranty;Magnetic bit retention delivers consistent driving performance;Power groove bits for power tool compatibility and jobsite versatility;Precision machined bit tips: durable tips for secure fitment;Wrench ready: Hex shanks for additional leverage;Milwaukee 9IN1 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. Milwaukee 9-in-1 multi-bit drivers are designed for the jobsite and include Milwaukee's Limited Lifetime Warranty.