moderate hardness, not easy to deformenvironmentally friendly materials,.Brush diameter: 2, 3, 4, 5, 6, 8, 12, 16, mm (1/16, 1/9, 1/6, 1/5, 1/4, 1/3, 1/2, 2/33/41 in)._x000D_Good cleaning effectbrush set can easily reach inaccessible areas to clean the remaining corners.Application: very suitable for cleaning small openings, especially suitable for drinking rooms, cans, various hoses to easily remove dirtdebris.Convenientstorage: the brush is equippeda removable key ring for convenientquick access. The cleaning brush can be easily hung upremoved separately for convenient storage._x000D_Specification: stainless steel. Colour: white. Length: 20 cm. Diameter: 2, 3, 4, 5, 6, 8, 12, 16, mm (1/16, 1/9, 1/6, 1/5, 1/4, 1/3, 1/2, 2/3, 3/41 inQuantity: Pack of 10 cleaning brushes SoftsafeThe nylonbrush has propertiesthe soft brush not only prevents scratches, but also protects you from injury when cleaning._x000D_You can use it safely. ApplicationSuitable for cleaning drinks bottles, espresso machines, colanders, drip tips, small nozzles, glasses, keyboards, various hoses, etc. strong toughnessmoderate hardness, not easy to deform