This is a Marshall Excelsior High Pressure Regulator MEGR-1122H-AAJ. It is 1/4 Female Pipe treads on the inlet and 1/2 Female Pipe Treads on the outlet. The Total BTU Range is 1,000,000.
Large Head (Hippie) Mandrels 12 Pieces Pack For dental lab handpieces with a standard handpiece shank 3/32". Constructed from nickel plated stainless steel. Large head for thin discs.
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