For sale, one set of 3 Boston Audio Tuneblocks series 2 XT with ball bearings. They retailed for $199 and I am asking $75 shipped. These are among the most effective footers I've tried, made of the same material as the well-regarded Boston Audio record mat. These units have some scuffs on the top and are also chipped in a few places, but they are functionally fine. (When installing them you can of course rotate the chipped areas to be out of view.) Will cover PayPal fees and shipping within the continental USA if my asking price is met.
