Stem Assembly- 1-1/2", 1-1/2" Draw-Off Stem, Ptfe Coated(White Teflon), Use Knob # 221311, 0.3" Square Knob Mount, 10-24 Threads For End Nut, Groen, Kettle Series: Ae, Ah, Cah, Cdc, D, D2, Dah, Dcae, Dcee, Dee, Dh, Dl, Dt, Dta, Ee, Em, Ft, Gpt, Gt, Hh, Pt, Hfp, (Some Hfp'S Came With Tangent Valves),