I don't think they were used, maybe once. One of them stuck to the workout instructions and has marks from that. Please see pictures.
Vintage 1980's Triangle Pro 3lb Dumbells-Lot Of 2-6 Lbs Total-Free Shipping
Vintage IVANKO 5 Lb Dumbbells Chrome Beauty Bells Full Knurl Rare 1980s
Vintage Generation II Ankle Weights Adjustable NOS 1980s Orig Box Spat Style
Dumbbell Weights 3 Lbs. From The World Of Weider Rubber Coated Vintage Yellow
Vintage "The Exer-Climber" Shape Shop Stair Climbing Exerciser - NEW OPEN BOX
1980s Spin Lock Collars. 5 Kg Weights
