Interchangeable piston adapters.
 Features:
  - Made of durable 6061 aluminium.
  - Fits all piston pins from 13 mm (0.511") to 24 mm (1 inch).
  - Works on both full skirt and short skirt (slipper) pistons.
  - Non-marring aluminium pin adapters.
  - Durable blue anodized finish with laser-engraved logo.
  - Patented Design.