This listing is for ONE 1. 30 Cal Bronze BrushIn addition to cleaning firearms this brush is useful for cleaning tubes nozzles paint spray guns tattoo equipment airbrushes and so much more. Features of this product include: Caliber: 0. 30 Overall brush length: 3 € Bristle dimensions: 2 € x 8 ½mm dia. Bristle material: phosphor bronze Bristle pitch: 8 32We also have these in sets of three for better pricing. Check out for more great items.