This auction is for 100+ grams,(about 10% over) mixed honeycomb catalyst from catalytic converters that contains platinum, palladium,& rhodium. A wise investment for recycling now (there is a bunch of info on eBay for doing this), or store for later recycling. I don't know the percentages of precious metals per pound of catalyst, I have heard all the way to 10%. Platinum is over $2000 per ounce and on the rise!! Palladium is over $500 per ounce! And rhodium over $9000 per ounce!!! This catalyst is being sold for recycling only. The EPA has informed us it is against government regulations to reuse this catalyst in the automotive industry. Random picture(appearance may slightly vary). Email us with any questions. Happy investing and God Bless!