PISTON RING COMPRESSOR United Kingdom
Aviation Piston Ring Compressor
Features a quick-change design to speed up piston ring installation. The famous Hastings Ring-O-Matic® pliers and bands that operate in all positions: not just vertically or horizontally. The pliers incorporate a precision locking action for exact holding and quick release.
Purchased from LAS a couple of years ago, but no longer required.
See link for current price and description on LAS.
£50 plus postage.