Draper Expert 150mm Soft Grip Crescent-Type Adjustable Wrench (24893 Suitable for use in areas where chemicals and chrome plate can give off poisonous fumes. But that’s only the start of the story. The 150, 200, 250, 300, 375 and 400mm sizes have a graduated scale on the fixed jaws. Chemical Resistant Wrench Draper 52679 365 Expert Crescent Type With Phosphate Finish, 150mm, Blue Adjustable Wrench Expert Quality, crescent - type wrenches manufactured from chrome vanadium steel hardened and tempered with black phosphate finish, polished profile and jaws. Jaws offset at 22°. The 150, 200, 250 and 300mm sizes have a graduated scale on the fixed jaws. Suitable for use in areas where chemicals and chrome plate can give off poisonous The Draper brand covers all department products., DIY tools., Jaws offset at 22° Crescent-Type Adjustable Wrench with Phosphate Finish Jaws offset at 22 degree. Adjustable Wrench | True Value Hardware Suitable for use in areas where chemicals and chrome plate can give off poisonous fumes