Use on the end of your open lag screw in a single rod set up.
Item# 133N
Prucha Tailpiece, Presto Original Style, Nickel-Plated
Prucha Tailpiece, Historic Kerschner, Nickel-Plated
Tailpiece Bracket for One-Piece Flange, Nickel-Plated
Resonator Thumbscrew, Nickel-Plated
Lag Screw, Pre-War Style, 10-32 Thread