Gunson G4125 Gastester Digital

You should be able to get it roughly in the centre from feel. Gunson Tools Hog Ring Crimping Pliers Tool (7") Upholstery Covers. Gastester is used for the testing and setting of all carburettors (petrol, leaded or unleaded) and petrol injection systems on any vehicle. - Manufacturers part number: LASG4125

• Easy to follow instructions
• Accurate to 0.5% C.O measurement at 15-25˚C
• No filters to change
• Calibrates in air, no moving parts to wear out
• Content includes: Gas tester instrument including