CHANNELLOCK® SPEEDGRIP™ 428X tongue and groove pliers make fast and easy non-slip adjustments so you can get the job done even quicker. Laser hardened crosshatch teeth grip stronger and last longer thanks to innovative engineering. There is also a reaming feature for easy deburring of pipe. Finally, like all CHANNELLOCK® pliers, SPEEDGRIP™ 428X tongue and groove pliers are made in the US from high carbon US steel for ultimate strength and have comfort handles with no-slip grips.