Canopus Drum Hardware. Hardware Connectors Fasteners. Hal Leonard #CTL-4. Published by Hal Leonard (HL.3725043).
UPC: 888938002187. 3.0x5.0x1.0 inches.
Red-Lock (CTL-4) is a tension bolt lock developed for use with the Bolt Tight to meet the demands of even the hardest-hitting drummers. While Bolt Tight is enough for most players, Red-Lock ensures that even the hardest rimshots won't loosen your tension bolts.