10PC(SIZE 1&2) SUPPORT SCREW J

Brown Sharpe Angle Attachment 599-7043, 3/8" hole with 3/8" dia. x 1" long Test Indicator Clamp Type Clamp For Use With BESTEST Test Indicators Size (Inch) 1 (Shank Length); 3/8 (Hole Diameter); 3/8 (Shank Diameter) for use with Brown Sharpe BesTest Dial T