All of the brushes are stamped with the caliber or gauge and the fitted tray and aluminum carry case with handle make this kit easy to transport and store. Kit includes 4 sets of solid brass rods, .17 caliber/.22 caliber/.30 caliber/shotgun, universal handle, 10 brushes (.17-.50), 6 mops (.22-.50), 5 brass adaptors for accessories and rods, 13 solid brass jags, 4 slot tips, 3 utility brushes, 3/4 inch round cleaning brush, 1/4 inch round brush, choke tube cleaning handle, 100 patches, polishing cloth, custom fitted tray in aluminum case with handle.