SureWerx H1731 JET Flex-Drive Compression tester

This quality, accurate tester has an angle construction tip to permit easy reading on back cylinders. Handy side release valve allows multiple readings on the same cylinder without removing the tester from the cylinder. The heavy duty neoprene hose bends in all directions to reach hard to get at cylinders. Hose assembly will disconnect easily from the gauge head to allow more flexibility and easier installation into spark plug holes.