Muscle Blox Barbell Collars are manufactured and designed of highest quality to help improve the safety of your workout. These are used for everyday gymmers who are tired of normal gym spring clips. These Olympic Barbell collar clamps are extremely tough and durable. With its unique fast locking snap action rest assured your routine in the gym will be a breeze. Muscle Blox barbell collar clips are a favourited by professional gym owners, crossfit trainers and many other commercial gyms and high-end strength and conditioning facilities. If you want to train like a pro Athlete here is the item you need to get your workout started. hey are more secure than most traditional barbell spring clips. These have rubber grip plate that locks securely on the barbell and they are also easier to remove than spring clips. These are effective, durable barbell collars. Sold in Pairs Fast Locking Action Secure Snap Latch For 2-Inch and Fits 2" Olympic Weightlifting Bars. Its Lightweight and easy to carry in your bag 2 seconds Easy Lock On and Off.Power Lifting made easy, you can now have that Olympic bar workout. What you get are Olympic Bars Set Of 2 Clamps. The item is MOLDED INTERNAL and has PRESSURE PADS with its unique injection-molded pressure pads and locks onto the bar like ABS Locking. It is used for 2 inch olympic barbell clamp and now you can concentrate on your Weightlifting.