You will receive: stainless steel cleaning brushes and brass cleaning brushes of different sizes, each with a 0.64 cm hexagonal handle, to meet your common wire brush application needs. Scientific design: The hole brush can easily reach narrow holes and narrow areas, and is designed to be used in right-angle grinders; industrial wire brushes are suitable for cleaning steel parts, machinery, unfinished metal parts, paint stains, corrosion without damage Surface or fine lines. High-quality materials: The aperture cleaning brush is made of stainless steel and brass copper, which is sturdy and durable, and can thoroughly clean rust and details; the stranded wire increases the cleaning effect. Specification details: The drill wire brush is 0.64 inches (approximately 0.6 cm) hexagonal , suitable for power drills, impact drills, and mold grinders. The overall length is 4-3/4 inches (approximately 11.4 cm), and different widths include 8, 10, and 12 , 15, 17 and 19 mm, so you can choose the right size according to your needs. Multiple applications: You can place wire hole brushes in cars, garages, offices, and kitchens. Hole brushes are suitable for cleaning, polishing, painting or rust removal applications in automobiles, manufacturing, processing and messaging, and many other applications. Colour: gold+silver Material: metal Package Contents: 12 * Stainless steel hole brushes 12 * Brass hole brushes Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.