This kit includes 2x 1kg packs of consumables to be used with Gunson's 77159 Vibratory Tumbler Polisher
Part number 77160 Brown Resin Media, ideal for removing rust from bolts and nuts without damage to the threads. Angular particles reach into threads to dislodge rust. Made from unsaturated resin.Part number 77161 Ceramic Media, which gives a better finish on heavy parts than plastic media.