[Features] ● Troublesome pull stud bolts can be easily attached and detached. ●Specially designed to match the shape of the pull bolt for a perfect fit, allowing the pull bolt to be safely and securely attached and detached. ●It can be easily attached and detached without applying much force. ●PM-BT-30T can be used with a torque wrench if an adapter is attached. (Make sure to align the “I” markings when installing the adapter.)