Amazon.com: Proto 12 Blade Long Feeler Gauge Set : Industrial & Scientific
Starrett - 13 Piece, 0.04 to 5mm Parallel Feeler Gage Set - 58703331 - MSC Industrial Supply
Amazon.com: Proto J000TL 25 Blade Long Feeler Gauge Set (1/2" and 12" blades in steel holder) : Industrial & Scientific
Armature Air Gap Gages ( extra long feeler gauges) steel and brass extra long blade feeler gauges, 12", 24", 36", 48" long feeler gage sets - Newman Tools