Hoppe&#39;s No. 9 Nylon Utility Brush Two bristled ends Stout bristles allow for an efficient cleaning Intense scrubbing without Scratching Extremely rugged design Heavy duty and trustworthy materials Hoppe's No. 9 nylon utility brush has 2 bristled ends The main brush end is for large areas, the smaller brush end is designed for tight spots This brush has an extremely rugged design to allow for intense scrubbing