Cleaning Brush Set 36pcs Steel Wire Brass Nylon for Drill 8-19mm Hex Shank
Scouring Cylinder Head Volt Holes. Brushes are 4″ long (2″ brush, 2″ shank) with a 1/4″ Hex Shank. STANDARD for:1/4″ hex shank allows these brushes to be mounted on a power drill or die grinder. COMFORT: Quick-release soft handle allows brushes to be used without a power drill and the comfortable grip reduces hand fatigue.