Starrett Steel Dial Indicator Split Collet - 1/2-20NF Thread Size, 9/32" Thread Length, .375" Diameter Through Hole for Indicator Stem, Black Finish - 25SC38

Simplify Fixture Mounting - The Starrett Split Collet is for mounting AGD indicators with 3/8" (9.5 mm) stems in gaging and work location fixtures, these collets simplify fixture mounting. | Easy to Use - Screw the collet into the fixture or into our 648 Depth Gage Base, insert the indicator into the collet and tighten it in place with the hexagonal nut. | Durable Construction - Made of steel with black finish, this tool will last through the hardest jobs and use for a long time. It is the trusted attachment by professionals and do-it-yourselfers. | The Perfect Accessory - Used in a wide variety of industries as an essential part of metalworking and woodworking, Starrett tools can be used in various applications and offers unparalleled service with execution like no other. | The Standard for Excellence - Proudly made in the USA, Starrett combines over 140 years of American heritage and innovation with globally sourced materials to deliver exceptional quality tools and products.