Lock Jaw Collars Secure and easy to use, the BLK BOX Lock Jaw Collars fit both Olympic Bars and Speciality Bars. The BLK BOX Lock Jaw Collar is a must-have for any training space, offering a secure and reliable hold for both Olympic and speciality bars. Designed with durability in mind, each collar is built from a tough thermoplastic polymer, making it ideal for high-use environments, from home gyms to large-scale fitness facilities.

Easy to use and built to last, the BLK BOX Lock Jaw Collar ensures your plates stay locked in place during every lift, giving you confidence and safety throughout your training sessions.