Normal wear from use , missing one of the adapters.
Snap-on MT307KB Compression Tester Kit Missing One Piece
Snap-On Compression Tester Kit USA Designed built-in pressure release MT307KB
Snapon Eepd501 Diesel Compression Tester
Compression Tester with Spark Plug Tester, Automotive Engine Compression Tester
Actron Compression Tester Kit 0-300 PSI Model A-1 Engine Compression Tester
Gasoline Compression Tester Kit, 8pc Petrol Engine Compression Tester Set wit...
