This weight guard tab will only work on the Bowflex 1090 model and is an original authentic Bowflex product.
Bowflex 1090 SelectTech Dumbbell Replacement #4 (2nd large) Weight Plate (10lb)
Bowflex 1090 SelectTech Dumbbell Replacement Cover Spring and Lever for Endcap
Bowflex 1090 SelectTech Dumbbell Replacement Weight Guard Tab Handle Part
