The Offset Valve Tappet Gauge Set features 2-Handles and 11-Blades. 11 Blade Sizes - (.004"/.102mm), (.005"/.127mm), (.006"/.152mm), (.007"/.178mm), (.008"/.203mm), (.009"/.229mm), (.010"/.254mm), (.011"/.279mm), (.012"/.305mm), (.013"/.330mm), (.014"/.356mm).