INGERSOLL RAND 307B - Standard Duty Die GrinderWhether you need a right angle configuration or a straight, compact option, the 301B and 307B Die Grinders wont let you down. Durable, versatile and cost effective, these grinders are great for porting, weld grinding, smoothing edges, de burring and polishing. Features COMFORT: Both the straight and angle die grinders are ergonomic and lightweight, making them more comfortable to use for longer stretches of time. ACCESS: The right angle of the 301B