Canopus BT40 Bolt Tight Tension Rod Washers - 40pcs

No more Loose Tension Rods!

No more Sonic Overtones!

More Overall Tone from my Drum

“BOLT TIGHT” is an original product developed to not only prevent bolts from loosening but also cuts that undesirable metallic sound and brings the “deep and fat” sound out of your drums. We recommend mounting “BOLT TIGHT” on your snare drums as well as tom toms and bass drums.