36 Grit, Coarse, Detail Abrasive Brush With EZ Lock, Allows Sanding Of Contours, Details & Hard To Reach Areas, Built In Polishing Compound, Rubber Bristles Have Abrasive Inside, No Need For Polishing Compound, Removes Exterior Surface Layer Without Damage To Base Layer Below, Removes The Paint But Not The Wood With Light Pressure, Sand Delicate Surfaces, Get Into Tight Contours For Easy Restoration, Clean Wood, Aluminum, Plastic, Metal, Steel & Vinyl, EZ Lock Compatible, Use With Either EZ402 Or 402 Mandrels.