VEVOR 51mm/53mm/58mm Espresso Tamper Stainless Steel Coffee Tamper with Spring Ergonomic Design for Effortless Tamping Consistent Pressure with 30lbs Spring Non-Slip Handle for Stable Grip Durable Food-Grade Stainless Steel Improved Extraction with Even Pressure Consistent Pressure and Stable Extraction Item Model Number: YFQ51mm0101020001,Material: 304 Stainless Steel + Aluminum Alloy,Powder Pressing Depth: 0.35" / 9mm,Net Weight: 0.67 lbs / 0.304 kg,Diameter: 2.01" / 51 mm