·[High Quality] The shank of our abrasive drill brush is Nickel plated to ensure its excellent rust resistance and durability. The bristles are made of stainless steel and featuring a twisted wire form to make them tougher and more durable for powerful cleaning.

·[Tool set for everyone] Technicians, mechanics, homeowners, DIYers, plumbers, contractors, etc.

·[Right for the job] These bore brushes are widely used for: cleaning automotive parts, bores, cylinders, pipes, tubes, holes, nut threads, etc.; removing rust, corrosion, and paint; cleaning HVAC or plumbing fittings; fabricating, woodworking, polishing and finishing; firearms maintenance, gun cleaning; deburring and surface preparation, etc.

·INGENIOUS DESIGN: Adopting a standard 1/4 inch hexagonal handle design, compared to traditional screw brush handles, these wire cleaning bore brushes are more sturdy and simple to use. They can be easily installed on electric drills or mold grinders for

·[Pack of 12] You will get 12 stainless steel bore brushes in different sizes with bristle lengths of 5/16"(8mm), 11/32"(9mm), 3/8"(10mm),7/16"(11mm), 1/2"(13mm), 5/8"(16mm), 11/16"(18mm),3/4"(19mm), 7/8"(22mm), 1"(25mm),1-1/8"(28mm) and 1-3/16"(30mm). Sufficient quantity and various sizes meet all your cleaning needs.