Handle Casting, Material Aluminum, Compatible with Manufacturer Part Number 75XT Series, Compatible with Grainger Part Number 1RF83, 1RF84, 1RF85, 5GAU7, 5GAU9, 5GAV0, 5GAV1, For Use With Guardair Safety Air Gun, Overall Length 6 39/64 in, Air Inlet 1/4 in FNPT, Repairs Parts for Handle