As pictured… These may be custom-made by Boeing?. Unclear… feeler setting blocks accurate spacing as pictured… see Pics of all sizes.
A308 Offset Valve Tappet Gauge Set & 2124332 Feeler Gauge for PACCAR MX13 MX11
LOT OF 2 Kastar USA Metric MM Feeler Gauge Set & Wire MM Feeler Gap Gauge Set
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Feeler Gauge Motorcycles Feeler Gauge Set Sheet Metal Ruler Stainless Steel
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12-Blade Gauge Value Tap Feeler, Motorcycle Feeler Gauge Set, Spark Plug Feel...
