Tama TTL10 Tension Lock, 10-Piece Pack

The Tension Lock is an accessory to prevent tension bolts from loosening while playing. Simply set it on the tension bolt head - its unique shape fits perfectly. On the other hand, you can tune the drum without having to detach the Tension Lock, thanks to an elastic O-ring around its hole. It is a small accessory, but filled with TAMA's unique ideas.Perfect Fit Octagonal HoleWith eight evenly placed protrusions around the hole, the Tension Lock fits perfectly on a square head bold. This prevents the bolt from loosening.Control O-RingThe O-ring built into the Tension Lock is specially designed to prevent the bolt from loosening or rotating while playing. Yet, it still allows the bolt to turn for tuning. And because of this O-ring's elasticity, which plastic lug locks don't have, the hole won't deform even after a lot of tunings.Fits Most Drum HoopsThe offset position of the hole allows the Tension Lock to fit a wide range of hoops.