SuperPad 64 Plus
From Videogame Interface Wiki
A third-party N64 controller, the notable features being a metal stick (iirc it has a further travel and less resistance than the OEM), evenly-sized buttons, and making the L and Z buttons both reachable.
See Also
- Cleaning & Restoring: N64 SuperPad (Plus) - Basic disassembly video. Doesn't look at the analogue stick.
- Let's Refurb! - Repairing $6 Nintendo 64 Controller From Ebay!
- Interact Superpad 64 Plus joysick - Analogue mechanism.
- SuperPad 64 joystick mod. Gamecube stick inside :)