Check the listing for details. 44-000 – Indicator Holder 3/8” Shank Mount, Proprietary Friction Technology. Condition: New. Listed at 59.72 USD. 44-000 – Indicator Holder 3/8” Shank Mount, Proprietary Friction Technology for Smooth Consistent Resistance, Dovetail Indicator Mount. Extra rigid design to eliminate the possibility of flex. Proprietary friction technology used to provide smooth consistent resistance.