For standard tension.
This pack of ten Standard Tension Rod Locks from Rock Locks are professional-grade to keep your drums in tune. Their 12-point design (patent pending) allows users to quickly fasten onto a tension rod at virtually any angle - tune your drums, pop some Rock Locks on, and get ready to play.
WARNING: This product can expose you to chemicals including Formaldehyde (gas), which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov