Dynabrade Inc. (www.dynabrade.com) introduced portable air-powered abrasive tools that are designed to reduce tool vibration and to prevent transmission of cold air to the operator. The Dynastraight tools range from 0.4 hp. to 1 hp.; have lightweight composite housings and thermal insulation; and are suitable for use with abrasiveimpregnated, non-woven nylon products, coated-abrasive flap wheels, buffs and Scotch-Brite abrasive belts mounted on Dynacushion inflatable pneumatic wheels.