Lot of vintage barbell dumbell collars. Cast iron. Screw locks. Fits 1" bar.
$10.99
Unbranded. They show paint loss and wear but no cracks or damage. Good threads on the bolts. The gold color ones match. The larger red one weighs 1 lb. 1.8 oz. The other red one weighs 9 oz. The pair of gold ones weigh 1 lb. 4 oz.