MC Acetylene Welding Cutting Gas Tank Cylinder 10 CF Cylinder Cap They are 4 1/2 inch

They are 4 1/2 inch diameter for small angle grinders and have a 5/8-11 arbor that doesn't require a retaining nut

It has an excess flow valve and no regulator is required

The 7/8 inch arbor is standard on 4 1/2 inch angle grinders but does require a retaining nut that comes with the grinder

Size 8 has 8 preheat holes

MC Acetylene Welding Cutting Gas Tank Cylinder 10 CF Cylinder Cap They are 4 1/2 inchMC Acetylene Welding Cutting Gas Tank Cylinder that is 10 cubic foot in capacity. The MC has a CGA 200 valve and is uniform standard to any MC acetylene tanks that come with port a torch outfits. Our MC tanks are 100% new, never filled with full hydro static test.