Usage Tips:Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Package contains: you will get 8 pieces of stainless steel cleaning brushes with 8 different sizes, all of them have 1/4 inch hex , which can be applied on ports, tubes, bearings and other common wire brush applications, enough quantity for your needQuality materials: these bore brushes are made of stainless steel and brass copper, strong and durable, which can clean rust and detail completely; Twisted wire is for increased cleaning action, durable and abrasiveSize 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 choose the suitable size to use according to your needsMultiple functions: this bore cleaning brush can access into narrow holes and confined areas easily, designed for use on right angle grinders, also suitable for cleaning steel parts, machinery, the unfinished metal parts, paint stains, corrosion without damaging surfaces or fine featuresSuitable occasions: these wire bore brushes can be applied in your car, garage, office and kitchen, nice for cleaning, polishing, painting, or rust removal in automotive, fabrication, machining and smiting applications and moreDurable to use:The bore brush set comes with quality wires, which is durable and lasts for a long time without losing out on its functionality, providing more convenience .Wide usage:These bore cleaning brushes are designed with the appropriate length as well as the diameter that provides easy access to narrow holes, so they have a wide array of applications.Types:Colour:silverMaterial:Stainless steelSize:Length: about 11.4cmWidth: 8/9/10/11/13/15/17/19mmPackage Contents:1 set x wire brushWarm 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.