- Dual Gauge Readings: 0 to 300psi (0 to 21bar).
- Gauge Diameter: 2.1/2" (65mm).
Features side release valve which allows multiple re-testing without removing the tester. Has a 14 and 18mm adaptor attached to end of hose, plus separate 14mm long reach adaptor.
Tests engines with both 5/8" and 13/16" hex spark plugs. Supplied in sturdy vinyl storage pouch. Item 4423-10 (10mm) and 4423-12 (12mm) Adaptors are available separately.
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