S & G Tool Aid Corporation number 34580 Automatic Transmission and Engine Oil Pressure Tester with Two Gages. NOS purchased new and never used. The contents of kit/part description has an error: it states the transmission "Pressure Gage with English and Metric Scales: 0 to 300 P.S.I." when the gage actually reads 0 to 600 PSI. Made in U.S.A. Selling new from $80 to $140. Please see photos for details.