Package contains: you will 8 pieces of stainless steel cleaning brushes with 8 different sizes, all of have 1/4 inch hex , which can be applied on ports, tubes, bearings and other common wire brush applications, enough for your need Quality materials: these bore brushes are made of stainless steel and brass copper, strong and durable, which can clean rust and completely; wire is for increased cleaning action, durable and abrasive Size details: the drill wire brush is 1/4 inch hex fits for power drills, impact drivers, die grinders, the overall length is about 4-3/4 inch, and 8 kinds of width includes 8, 9, 10, 11, 13, 15, 17 and 19 mm, so you can the suitable size to use according to your needs Multiple functions: this bore cleaning brush can access into narrow holes and confined areas easily, designed for use on right grinders, also suitable for cleaning steel parts, machinery, the unfinished metal parts, paint stains, corrosion without damaging surfaces or fine features Suitable occasions: these wire bore brushes can be applied in your car, garage, office and kitchen, for cleaning, polishing, painting, or rust removal in automotive, , machining and smiting applications and more Durable to use:The bore brush set comes with quality wires, which is durable and lasts for a long time without losing out on functionality, providing more for you. Wide usage:These bore cleaning brushes are designed with the appropriate length as as the diameter that provides easy access to narrow holes, so they have a wide of applications. Types: Colour:silver Material:Stainless steel Size: Length: about 11.4cm Width: 8/9/10/11/13/15/17/19mm Package Contents: 1 set x wire brush Warm notes: Pointed partsincluded, please keep from . Only the above package content, other produc are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.