Thermador OEM Pro Star Burner Cap mdl PCS366-Part # 00415520, (AP5788740). Replaces 415520, 15-12-560-01, 15-12-768-01.  Cap is stamped 15-12-560 on the inside.  These caps are very hard to find.  Condition is Used with minor wear in corners of stars. Shipped with USPS First Class.