Barista Convex?Base 58mm – Pullman These Pullman bases are crafted from 304 grade stainless steel, and all tamper parts are made in Australia. Other benefits of the Pullman bases include: – Stainless steel bases are precision-machined with True Tamp rings for a consistent and level tamp – An ergonomic synthetic rubber compression zone for maximum comfort; also minimises high-volume fatigue – And a set of 3 stackable straight-sided stainless steel spacers, providing up to 15mm of height adjustment in 8 steps without compromising the tamper’s ergonomics. Because no two hands are the same size, an optimum handle height makes a large difference to the busy barista.