TN 1246602 / 4034545 18" .070"/46 Super Abrasive Disc Scrub Brush for Tennant. Manufactured with aggressive .070" diameter filament impregnated with 46 grit silicon carbide granules. These brushes are designed for extra heavy duty scrubbing and stripping jobs. These are not to be used on newly painted or epoxy flooring. Fits Tennant T600 (36" Disc Brush Models) walk behind floor scrubbers. These models require two brushes. Priced Each. Replaces Tennant 1246602, 4034545. Our Part Number TN 1246602