Ray Foster AG04 High Speed Alloy Grinder with Self-contained Dust CollectorProduct Description Ray Foster AG04 For 60 years Foster High Speed Alloy Grinders have been providing precise, efficient, and reliable service worldwide. Rugged and comfortable to use, the Foster Alloy Grinder is a proven time saver when it comes to tasks like sprue separating, or finishing and polishing chrome alloy framework. All models feature a fully adjustable safety shield and light assembly, adjustable working height, and large work area for