Cord-Free. Powered by an 18-volt lithium-ion battery, Makita's BHR202 SDS-Plus cordless rotary hammer is rated for making 15/16-inch holes in concrete. The 7-pound tool has a hammer-only function for light chipping, a clutch-protected chuck, an impact-absorbing housing, and an on-board LED work light. The kit includes a charger, a bag, and two batteries and costs $490; the hammer alone costs $260. Makita, 800/462-5482. www.makitatools.com

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