Ingco WCBM0301 Medium Bristle 3Pcs Brush Set

Included Brushes: The kit contains one 2-inch (50mm) medium bristle brush, one 3.5-inch (88mm) medium bristle brush, and one 3.5-inch (88mm) 360-degree medium brush.
Bristle Material: Made from high-quality PA66 (nylon) or polyester, providing a "medium" stiffness that is tough on dirt but gentle enough to avoid damaging most hard surfaces.
Shank Type: Equipped with a standard 1/4-inch (6.35mm) hex shank, making it compatible with most standard drill machines and keyless chucks.
Weight: Extremely lightweight, with the set weighing approximately 250 grams (0.25 kg).