Ceramic Tetrad phonograph styli including Model A2D. Used in Tetrad 2-52D, S-6SD, 4-62D, 5-62D, 5-52D, ZEN 142-154 & 159, VM 36477; EV 5274, 5277. New old stock. Equivalent to universal replacements: N738DS 811DS 3308DS AC398DS 859-DS73 T-8XSD TD9073DS PS-114 630SD W-316. L853- DS77