Key Features

• Made in China
• Half Ball measuring surface.

Product Description

Set measures .125" to .5" (.125-.200, .200-.300, .300-.400, .400-.500) - 4 gages in a case. Gaging surface is a half ball with a flat bottom, fully hardened. Knurled knob at end of handle is used for size adjustment. Hole size is obtained by measuring over the contact points with a micrometer.