Description Big as the job. Big as you need. Right angle teeth grip in all directions for maximum bite and minimum wear. Patented undercut tongue and groove design assures, no slip jaw action. Patented reinforcing edge minimizes stress breakage. Patented PermaLock® fastener eliminates nut and bolt failures. Distinctive CHANNELLOCK BLUE® comfort grips. Adjustments: 1" Length (in): 20 1"4"Length (mm): 5"8 Capacity (in): 5"1"2 Capacity(mm): 1"0