CTA Tools A308 Offset Valve Tappet Gauge Set Set Includes 2-Handles and 11-Blades Offers Blades Sizes Ranging from 0.004 to 0.014-Inches Features Easy Blade Insert Makes Valve Adjustment a Breeze All Feeler Blades Have Metric Markings Blades Sizes Range From 0.004-Inches to 0.014-Inches Blades Insert Into Handle Easily Makes Valve Adjustment a Breeze All Feeler Blades Have Metric Markings