Gunson 77158 Steering Turntables - Aluminium 4000kg (Pair). A set of Ball End Honing brushes in three sizes, ideal for brake service and repair. 3pc FLEXIBLE HONING BRUSH. Ideal for cleaning and preparing brake wheel cylinders, etc, each brush is a resilient, flexible honing tool and is used to improve the internal surface finish while also being able to deburr a bore or cylinder.