SAE Brake Line Fitting Size Gauge
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SAE Brake Line Fitting Size Gauge

$11.90
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SAE Brake Line Fitting Size Gauge Save time and eliminate guesswork on every brake-line installation with the 4LifetimeLines® Brake Line Fitting Size Gauge. Machined from anodized aluminum, this pocket-sized tool lets you instantly verify SAE brake-line fitting diameters—3/16″, 1/4″, #3 bubble and #4 bubble—so you always select the correct nut, union, or adapter without trial and error. Why You Need a Fitting Gauge Mismatched fittings can lead to leaks, cross-threading, and costly rework. Instead of measuring with calipers or carrying a drawerful of adapters, simply slide each fitting into its corresponding slot on this gauge. A firm “click” confirms the match, ensuring that your flare fittings, unions, and block adapters thread on perfectly every time. This single tool brings precision and confidence to professional shops and DIY garages alike. Key Benefits Instant Fit VerificationFour precisely milled holes check 3/16″ and 1/4″ inverted or double-flare lines plus #3 and #4 bubble fit

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