WAX-9160-A and WAX-9160-B are etched, the rest of the runout matrix is stamped.
Barcode: 0 1783791602 2 (Text)
Matrix / Runout: WAX-9160-A 08 30274 20 2A1 WAX 160 (Side A runout )
Matrix / Runout: WAX-9160-B 08 30274 20 2B1 WAX 160 (Side B runout )