Left (Small): A Channellock No. 426 (6.5 inches), designed for compact spaces and small fasteners. Center (Medium): The iconic Channellock No. 420 (9.5 inches), which is the standard utility size found in almost every plumber's toolbox. Right (Large): A heavy-duty Channellock No. 440 (12 inches), built for gripping larger pipes, fittings, and automotive components All in good working order
