4 In 1 Coffee Tamper Holder includes Espresso Knock Box Espresso Tamper Coffee Distributor And Coffee Tamping Stand Wooden Base Anti-Rust Durable Coffee Dump Bin. The knock box is made of prime stainless steel. The tamping stand is made of walnut. The durabler and harder Coffee Tamper Holder Station with the carefully polished surface, can bring you a better experience.