Used for centering of workpieces on a milling machine 3 Dimensional Holder for Test Indicator Unique Central Locking Knob secures both arms and holder Holds indicator with 3/8" stem or dovetail. Each arm length: 2.1". Test indictor 0-15-0 0.03"/0.0005" with dovetail adapters

Anytime Tools Precision Test Indicator & Tool Holder Holder Used for centering of workpieces on a milling machine Features: 3 Dimensional Holder for Test Indicator Unique Central Locking Knob secures both arms and holder Holds indicator with 3/8" stem or dovetail. 0-15-0 Test Indicator Features: Easy to read 1-3/16" white face with black markings 7 JEWELS Crisp graduations Durable satin chrome finish Graduations: 0.0005" per line