baitcasting reels with a 5 1 gear ratio 12+1 BB 5.5:1 Reel 1 ultra Baitcasting Fishing Reel 5.2:1 Gear

Not only that, but spare parts and screws are still available to buy - which is amazing given the age of some of these things

Fly_Reel_Thumb_Knob_Final.STL uses a Thin Nylon-Insert Locknut with with these specs Fly Reel Thumb Knob Full Size Nut.STL uses a full sized Nylon-Insert Locknut with with these specs For drag after hook up it was designed so you can also just use your hand on the out spool edge to control the drag if need be.) I've never caught anything big enough yet to worry about it though

I personally prefer flat, wide paddles, where some anglers prefer more rounded knobs

Before re-attaching the C-clip, check the alignment of the handle nut cap