The Channellock 440X is a 12-inch SPEEDGRIP tongue and groove plier forged from high-carbon U.S. steel. It uses 12 push-button adjustments that lock into undercut channels, laser heat-treated crosshatch teeth, a solid alloy steel fastener, and a SAFE-T-STOP feature.
Push-button adjustment lets a technician size the jaws one-handed — a clear speed advantage over a traditional slide-and-grip tongue and groove. The undercut channels lock the setting under load so the plier does not slip to a larger size mid-twist. Laser heat-treated crosshatch teeth bite 2.5x harder than the classic 90-degree tooth pattern, which keeps the plier from rounding hardware. The SAFE-T-STOP blocks the handles from closing on a gloved hand.
The reaming feature on the jaws deburrs cut pipe, so a plumber can trim a cut and clean the inside edge without switching to a separate reamer — useful on copper, PVC, and PEX work.
Forged from high-carbon steel in Meadville, Pennsylvania.
