The nutbuster plier has a parrot nose for easy grip of nuts manufactured from high c1080 high carbon steel and with an electronic coating for rust prevention these pliers are the ultimate in durability this plier has 6 undercut tongue and groove adjustments which will not slip not forgetting the permalock fastener which holds it all together this is designed for the ultimate durability to eliminate nut and bolt failture channellocks signature channellock blue comfort grips finish it all o