Proto J000J feeler gauge set with 6 blades configured for spark plug gap measurement. Hardened steel blades measure spark plug gap during automotive and small engine service. Used by mechanics and small engine service technicians.
Proto J000BR feeler gauge set with 6 blades in non-magnetic construction. Non-magnetic blades support measurement around sensitive electronic and magnetic equipment. Hardened steel blades measure...
Proto J000M feeler gauge set with 11 blades in hardened steel. Hardened steel blades measure clearance and gap dimensions during precision assembly, valve adjustment, and machinery installation work...
Proto J000R feeler gauge set with 16 long blades in hardened steel. Extended blade length reaches deeper into assemblies than standard feeler gauges. Used by mechanics, machinists, and equipment...
Proto J000TL feeler gauge set with 25 long blades in hardened steel. Extended blade length reaches deeper into assemblies than standard feeler gauges. Used by mechanics, machinists, and equipment...
Proto J000AA feeler gauge set with 25 blades in SAE thicknesses. Hardened steel blades measure clearance and gap dimensions during precision assembly, valve adjustment, and machinery installation...