OKUMA 31020016, 31020018, & 31020048 REEL FOOT FOR MAGNATUDE MD / ML-4/5, 5/6, 7/8, SLV-2/3, 2/3b, 4/5, 4/5b, 5/6, 5/6b, 7/8, 7/8b, 8/9, 8/9b, 10/11, & 10/11b FLY FISHING REELS