NO MESS NO BROKEN BARS NO WASTE. Push up cardboard tube exposes only the amount you need. Emery Compound: A coarse buffing compound. Metal Used On: Use on iron and steel. NOT for use on gold, silver or plated items. Results: Removes scratches, rust, corrosion and burs. Leaves a dull but even finish. Type of Buffs: Treated or tight muslin buffs or medium to hard felt. Grobet "Push Up" tubes contain approximately 3-4oz. of polishing compound.