Otis Technology AP Brushes - 50 Pack White Small. Specifications for Otis Technology Nylon AP Brushes: Manufacturer: Otis Technology Quantity: 50 Color: White Fabric/Material: Nylon Caliber: Universal Features of Otis Technology Nylon AP Brushes Double ends allow for large surface scrubbing on one end and precision cleaning with the smaller end. Removes fresh carbon or powder residue but won't scratch your firearm finish For everyday use and can be used on virtually any surface including wood surfaces Nylon bristled brush meets Mil. Spec Package Contents: Otis Technology Nylon AP Brushes 50 Blue Nylon All Purpose Brushes Otis Technology IP-316-50: AP Brushes - 50 Pack White Small