Right angle teeth grip in all directions. Undercut tongue and groove, won't slip. PermaLock Fastener, eliminates nut and bolt failure. Reinforcing edge that minimizes stress breakage. CHANNELLOCK BLUE comfort grips CHANNELLOCK uses high carbon C1080 steel for superior performance on the job, and an electric coating for ultimate rust prevention. There was no sacrifice made, these have comfort and durability needed to last! Length: 9 1/2" - 240mm; Adjustments: 5; Capacity: 1-1/2" - 38mm.