Maybe one of these similar products would be of interest:-
1 Pair Rowing Machine Pedals Replacements Indoor Pedals for Workout Gym Sports
1 Pair Indoor Exercising Rowing Machine Pedals Rowing Machine Pedals Anti-skid
1 Pair Rowing Machine Pedals Replacements Indoor Pedals for Workout Gym Sports
1 Pair Indoor Exercising Rowing Machine Pedals Rowing Machine Pedals Anti-skid