The Strengthbae collar is a must-have accessory for anyone who wants to keep their barbell in place and secure. Made of durable material, this collar is designed to fit all barbell strengthbae and barbell with a diameter of 5cm, making it a perfect fit for any barbell. The collar is easy to use and can be tightened up to keep the barbell in place, even during intense movements. The collar is also designed to be comfortable to wear for extended periods of time, making it a great accessory for those who want to exercise for extended periods. The collar is made of a material that is durable and does not easily loosen up, ensuring that it stays in place even during intense movements. In conclusion, the Strengthbae collar is a must-have accessory for anyone who wants to keep their barbell in place and secure. With its durable material, adjustable tightness, and comfortable fit, this collar is the perfect accessory for anyone who wants to exercise for extended periods of time.