22"  Pro Animal Grit Brush for Pebble and Aggregate Surface has a patented SpeedLock collar that strengthens the tool connection while still allowing it to flex and bend when needed.  Strong magnets allow you to quickly pick up those rust causing metal objects.  Exclusive bristled end caps designed for brushing in those difficult corners.  Constructed of high impact plastics that give this brush both strength and flexibility.  Each brush color is surface specific allowing you to match the brush type to a specific problem and surface.