I recently bought this small tape measure. Since then I have always had this in bag. It has come in handy several times. Highly recommend [Stanley Fatmax Keychain 2m] : r/EDC
STANLEY® FATMAX® Keychain Tape Measure 2m 36 pc | STANLEY
PAIR OF STANLEY FATMAX 2M TAPE MEASURES WITH KEY CHAIN & RING FMHT33856 3253561338564 | eBay
STANLEY® FATMAX® Keychain Tape Measure 2m | STANLEY