COMP Cams Tools 5602 COMP Cams Dual Feeler Gauge Handle holds two sets of feeler gauges on the same handle and is ideal for intake and exhaust or go, no-go gauges. This gauge handle will accept various styles of 1/2" wide feeler gauges depending on your application. Feeler gauges are not included. Dual Feeler Gauge Handle COMP Cams Dual Feeler Gauge Handle COMP Cams ToOldsual FEeler Gauge Handl