Otis’%20All%20Purpose%20Receiver%20Brushes%20allow%20you%20to%20choose%20the%20right%20brush%20for%20the%20right%20project.%20These%20brushes%20are%20the%20elite%20in%20cleaning%20those%20hard%20to%20reach%20places.%20They%20give%20you%20the%20ability%20to%20scrub%20places%20where%20carbon%2C%20powder%2C%20and%20copper%20residue%20hibernate.%20These%20brushes%20are%20available%20in%20a%20variety%20of%20different%20tolerances.%20The%20softest%20is%20the%20nylon%20bristled%20brush%2C%20followed%20by%20a%20slightly%20more%20aggressive%20blue%20nylon%20bristled%20brush.%20The%20most%20aggressive%20of%20Otis’%20All%20Purpose%20Receiver%20Brushes%20is%20the%20bronze%20bristled%20brush.FeaturesElite%20in%20cleaning%20those%20hard%20to%20reach%20placesThey%20give%20you%20the%20ability%20to%20scrub%20places%20where%20carbon%2C%20powder%2C%20and%20copper%20residue%20hibernateThe%20softest%20is%20the%20nylon%20bristled%20brush%2C%20followed%20by%20a%20slightly%20more%20aggressive%20Blue%20Nylon%20bristled%20brushHeat%20Treated%20Blue%20Nylon%20Finish*Sold%20Individually*