The Florida Pneumatic FP-3751 die grinder features 1/4-inch Heavy duty rear exhaust. Lightweight but Heavy-Duty grinder has tough, ball bearing construction for long life. Includes lever throttle and built-in regulator for positive speed control. Rear exhaust directs air away from work surface. Includes two collet wrenches for easy tool change. Measures just 1-5/8-inch in diameter. Florida Pneumatics' combination of U.S. made tools and high-quality imported products bring you the broadest range of air tools available from a single source serving today's marketplace. We provide a full array of tools for the general service mechanic, PBE shop, tool specialist and serious tool user. U.S.A. made products in our plant in Jupiter, Florida. These air tools are manufactured and assembled at our plant using proven designs, the finest materials and the best manufacturing techniques available. We maintain complete control of the manufacturing process; even our exclusive glass-filled nylon housings are molded in our plant. Every tool is subject to rigorous on-site testing. Products made in Japan, these air tools are made by carefully chosen Japanese manufacturers whose concepts of quality and dependability coincide with our own. These tools meet stringent performance and durability requirements.