The Maintenance Pro is one of the shears-based tools...basically it's a Gardener, but with Bear's rather bad file instead of the weeder. So the weeder is no problem, as it's the same size handles as a Super, I guess.So the regular 4" Bear tools work OK with non-locking 4.5" handles? I wasn't sure the tools from a locking Super or Bear Jaws would fit in the handles from a non-locking Gardener. If the 4" tools work OK with a Gardener, I'll just keep my eye out for a regular Bear Jaws at the pawn shops and flea markets, and use it as a donor for a Mixmaster.Thanks for taking the time to check this out!