HI-TECH: 3.5′ DIRECT MOUNT 5/16X24 ROUND ROTARY BRUSH (WHITE BRISTLE). Perfect for carpet and upholstery thanks to stiff nylon bristles. 5/16″-24 drive thread bolt that attaches to most power drills.
Stiff nylon bristles make the Hi-Tech SS-35 perfect for getting tough grime out of carpet and upholstery. 3-1/2″ diameter head. 5/16″-24 drive thread bolt fits most power drills including Cyclo, Porter Cable, and more.