Espro Calibrated Convex Tamper， 58 mm<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>CONSISTENT ESPRESSO， EVERY TIME - Consistently great espresso needs a constant 30 pounds of tamping force. The ESPRO Calibrated Tamper brings this consistency day in， day out</li><li>FACTORY CALIBRATED - Does not require recalibration or adjustment</li><li>PERFECT BALANCE - Just like the perfect espresso， the perfectly balanced ESPRO Calibrated Tamper just feels right in your hand</li><li>A CLICK YOU FEEL - The click is a subtle click that you feel rather than hear - it won’t disturb the grinds and cause channeling</li><li>SUBSTANTIAL - A solid tool for baristas， with a stainless-steel base and an anodized aluminum handle</li><li>FIVE CONVEX BASE OPTIONS - please check your espresso machine basket size - 49 mm， 51 mm， 53 mm， 57 mm， 58 mm (good for espresso baskets with slightly curved bottoms)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31ALpnRH-pL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41tUFkocRkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51XZj2KcagL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51SpqbP8vsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51tM-OYRCzL.jpg" noproxy>