HAND HELD ROCK CRUSHER/PULVERIZER WITH GRINDER FOR GOLD .
It is a Ryobi grinder converted into a portable rock crusher. Ryobi grinder base is included! This unit is great for prospecting and perfect for testing on site, but this is not a large scale production unit. ... Mad Mining Rock Crusher Solid Steel Frit Maker Gold Glass Ore Mining Pulverizer. + Shipping . Raymond Rock Crusher ...