McMaster 6534K111 Industrial Quick Disconnect Hose Coupling for Air, Steel, Plug, 1 2 Coupling Size, 1 4 NPTF Male G2596548 Range (F) 0 248 Range (F) 0 248 Raceway 52100 Steel Rail Finish Cold Roll For Use With V Guide Wheels and Bushings Series V Guide Maximum Operating Temperature 248 Degrees F Rail Type Slide Raceway Material 52100 Steel Minimum Operating Temperature 0 Degrees F Requires Lubrication Lubricant Not Required Channel Material Steel Load Direction Axial If you are looking for a drum bung wrench that will meet your needs make sure that the plug and socket have the same coupling size Zinc plated steel has fair corrosion resistance and should be used primarily in dry environments