Quantity of 10 new Stack Stud Extenders 3/8-16 x 3/4″ deep thread. Cadmium plated Steel. SPECS: AAJD Thread Class 2B nut thread AAJF Thread Direction Right-hand nut thread AASA Thread Length 0.750 inches nominal nut thread ABPM Body Diameter 0.625 inches nominal ADDD Unthreaded END Diameter 0.495 inches minimum and 0.505 inches maximum ADDE Unthreaded END Length 0.437 inches minimum and 0.457 inches maximum ADDF Length Excluding Fluxed Welding TIP 1.625 inches nominal CMLP Thread Quantity PER Inch 16 nut thread CQJX Nominal Thread Size 0.375 inches nut thread MATT Material Steel MDCL Material Document AND Classification Astm B653 ty 1, cl FE/ZN8 assn std single material response STYL Style Designator Welding THSD Thread Series Designator Unc nut thread ZZZT Nondefinitive Spec/STD Data 2 type and 5 class Get them here and save. WRD10 12990