HFS HFS Axial Axis Holder Indicator Dial Digital Dovetail Aarm Go to amazon.com Related posts Best indicator holder arm for 2022 Thing need consider when find indicator holders axial? The 14 best dial indicator holder Feature3/8" diameter body for secure clamping5-1/2" overall reach, 3 Pivot Joints1 dovetail fits all indicators1/8 diameter hole at an angle, 1/8 hole inside dovetail1/4 hole DescriptionUsed for mounting indicators with dovetail or rods mounting. 3 Pivot joints enable to adjust to desirable position