I need Recommendations for a folder to be used in disaster relief environments. Here’s my criteria:

1. $100 or under
2. 3″ blade
3. Can be easily taken apart and reassembled for maintenance
4. Easily to open and close with work gloves.
5. Preferably open back – but not a must

Right now the front runner seems to be the Steel Will mini Cut Jack – a little concerned about the corrosion of the D2 – but very interested