KingsBox Classic Collars prevent the plates from sliding down the barbell’s sleeve. The collars are made from nylon and rubber. The rubber on the inside gives additional grip and prevents unwelcome sliding from the sleeves, even with a fully loaded barbell. The fast load and lock system makes this collar great for cross-training or weightlifting sessions.

KingsBox Classic Collars fit every Olympic barbell with a standard sleeve diameter of 50 mm.