2/4X 25mmn Barbell Locks Collars Olympic Barbells Muscle Clamp Bar Lockjaw Clips QTY:2PCS Red - 25MM when you use the liquid

when you use the liquid marker pen

Reverse protection

Induction mode (It turn to strong light mode when detecting human motion

1 * Power Adapter

M5 X 16 10pcs

2/4X 25mmn Barbell Locks Collars Olympic Barbells Muscle Clamp Bar Lockjaw Clips QTY:2PCS Red - 25MM when you use the liquidBARBELLLOCKS25MM Features: [Safety]: The special design of the collar ensures secure plate fixation on the bar. [Reliability]: Durable cast body and high pressure grip pads make these collars virtually indestructible! [Diameter: 2]: Works perfectly for CrossFit, Olympic weightlifting, heavy lifting and any training with an Olympic bar. [Material: Nylon+TPR]: Iron lab collars are manufactured from high strength nylon using casting and high pressure