The Wheeler Engineering Delta Series AR-15 Complete Brush Set is specifically designed for cleaning your AR-15. The brushes are made with high quality Nylon, spun around steel cores, making the brushes super durable. The brushes feature an 8 x 32 thread that will fit on the included cleaning handle or any 8 x 32 cleaning rod. The brush set has everything you need to clean your rifle, and magazines clean and running reliably. Kit Includes: Magazine/Upper Receiver Brush with Magazine Takedown ToolBolt Carrier BrushChamber Brush.22 Cal Bore BrushHandle for action and chamber cleaning