Weighing only 6.7 lbs. with 10-in. head length, the company’s line of heavy-duty 18V high-torque impact wrenches includes three models. The IWTH180-01 has a 1/2-in. friction ring for quick socket changes, the HTH181-01 has a ½-in. detent-pin for positive accessory retention, and the HTH182-01 has a 7/16-in. quick change for tool-less accessory removal. All models feature a true flat-anvil design to provide easy installation and removal of sockets over the life of the tool. Bosch Power Tool Corp. 877-267-2499. www.boschtools.com