Lock-Jaw Axle Collars

No. These collars are specifically designed for 1.9-inch diameter posts, such as those found on Axle bars or specific PRx arm and leg attachments. They will not fit standard 2-inch Olympic barbell sleeves.

The lever design allows for a quick, secure clamp that stays tight throughout your workout. It is much faster to apply and remove than traditional spring clips, and it provides a more consistent hold on non-standard bar diameters.

Yes, these are designed to provide a secure hold for Axle bars. The locking mechanism is built to keep plates stable and prevent them from sliding during strength training movements.

If your equipment is labeled as an 'Axle' bar or is a specific accessory attachment from PRx Performance, it likely uses a 1.9-inch post. If you are unsure, use a caliper or measuring tape to check the diameter of your weight post before purchasing.

While these are built for reliability and consistent performance, they are primarily intended for strength training equipment setups like those found in home gyms or specific accessory stations. For high-traffic commercial environments, ensure your equipment diameter matches the 1.9-inch specification.