Based on this product's specifications, here are some alternatives and similar models
Barbell Collar Sleeves HMS FG01 set of 2 — weightlifting bar sleeve covers
Summary description:
Set of 2 HMS FG01 barbell collar sleeves designed to fit over the ends of a weightlifting or exercise bar. These protective sleeves help reduce wear on the bar and plates, protect flooring and reduce metal-on-metal contact during workouts. Suitable for strength training, home gyms and commercial fitness studios where bar end protection and noise reduction are needed.