The new RZ18V 18-volt cordless RotoZip spiral saw is the latest tool offered by this company. The saw is powered by Bosch's Bluecore batteries, which the company claims will last up to 50 percent longer than other batteries. The RotoZip saw also comes with attachments to enable operators to cut out drywall, countertops or wall tile, floor tile, metal stock, pipe, ductwork and even grand metal and rust. The tool weighs less than 5 pounds and can achieve 30,000 revolutions per minute. The product comes with a 30-minute single bay charger, three collets, two different bits and two cutoff wheels.

Bosch Power Tools, 1800 W. Central Road, Mount Prospect, IL 60056; (224) 232-2000; fax (224) 232-3169;