Otis Technology 325-IDT-5 - Bulk Pack of Five .25 Caliber Mongoose Dual Technology #25 Brushes for 243, 25-06, 25, 257, 5.56MM, 5.7MM, 6MM, 6.5MM 5 pieces of #25 brush and swab combo - Tufcor proprietary core wire Storage: Processor & Chipset: Memory: Network & Communication: