The Otto (The Little Guy) Premium Tamper is the latest edition to the exclusive Otto (The Little Guy) accessories range. Professionally made, it features a high grade stainless steel flat base at a perfect 51mm fit to the Otto filter basket. We also offer the Tamper with a 58mm flat base to match most commercial group head espresso machines. The handle is made out of impact resistant ABS and is ergonomically designed to ensure a strong grip of one's fingers right underneath the bottom edge of the handle. This is an elegant, stylish, must-have add-on to any Otto (The Little Guy) maker owner.