A308 Offset Valve Tappet Gauge Set, 11-Blades Feeler Gauge/Feeler Blade with Two Handles (0.004" to 0.014"). 11 Sizes From. 004" to. 014": (.004"/.102mm), (.005"/.127mm), (.006"/.152mm), (.007"/.178mm), (.008"/.203mm), (.009"/.229mm), (.010"/.254mm), (.011"/.279mm), (.012"/.305mm), (.013"/.330mm), (.014"/.356mm).