Original parts -- taken from Nautilus Series 1 Dumbell with Gray tabs. They will work with Nautilus / Bowflex series 1 552 dumbbells.
Nautilus Bowflex Plate #1 (1.5lb) 552 SERIES 1 ONLY Dumbbells Replacement Weight
SERIES 1 ONLY- Bowflex Nautilus SelectTech 552 Dumbbell Replacement Plate Weight
Replacement Weight Plate #4 7.5 lb Bowflex SERIES 1 Only SelectTech 552 Dumbbell
SERIES 1 ONLY - Nautilus Bowflex SelectTech 552 Dumbbell Replacement Cradle Base
Bowflex Nautilus Plate #3 (5 lb) 552 SERIES 1 ONLY Replacement Dumbbell Weight
SERIES 1 ONLY - Bowflex Nautilus 552 Dumbbells Replacement Handle Parts Discs
