18" heavy duty Baso coaxial thermcouple, threads 11/32"-32, for American Permanet Ware (APW) Broiler GCB and GCRB. Use for part numbers APW 2093200, Baso 6BT-18H, Cecil Ware F002F, Comstock Castle 17005, Grindmaster F002F, and Johnson Controls K16BT-18