🧽 Scrub Your Way to Spotless Perfection! Secure metal stud mounting ensures durability over hook and loop methods. 5/16-24 inch male thread for compatibility with various machines. Breathe new life into carpets, rugs, and upholstery effortlessly. Transform tough surfaces with Cyclo's most aggressive brush. Perfect for tile, stone, and even truck bed liners. Durable black bristles Aggressive scrubbing power Universal compatibility The Cyclo (76-870x2-2PK) Scrub Brush with Black Stiff Bristles is a powerful cleaning tool designed for tough surfaces like tile, stone, and truck bed liners. This pack of two brushes features a 5/16-24 inch male thread for compatibility with various orbital machines, ensuring a secure fit and exceptional scrubbing power. Ideal for revitalizing carpets and upholstery, this brush is built to last with a durable metal stud mounting.