The Leister Triac ST is the upgraded version of the Leister Triac S (which is no longer in production). Some of the improved differences with the Triac ST are:
- Ergonomic handle (which is a composite of plastic and rubber, whereas the Triac S was plastic only).
- The Triac ST weighs less than 2.2 pounds, lighter than its predecessor.
- The ST uses state-of-the-art components.
- Manufactured with only 35 spare parts; whereas the Triac S had 53 parts (which you can still purchase).
- Most of the parts unique to the Triac ST are less expensive than those of the Triac S.
- Less expensive (by $65) than the Triac S.