PEC Tools Complete set of all six sizes 5/16 to 6"   

3S-6

Made in USA 

Features

• Measures the True Sizes of Holes, Slots and Recesses from 5/16" - 6"
• Contact Plungers Automatically Self-Center at All Times and in All Positions
• Plungers Locked in Any Desired Setting
• Locking Mechanism Consists of a Knurled Screw at the End of the Handle
• Available as Individual Gages or in Sets
• Satin Chrome Finish
• Contact Ends are Hardened and Radius Ground Providing Clearance for Insertion into the Smallest Hole the Gages will Enter