OPTO Gage Interface Cable This cable is designed to be used with a Gage Interface Box. The OPTO gage interface connector is a popular type of connector that is used by a variety of different gage manufacturers for their gages. We have listed below an example of the gages that this cable will work with... Fowler Sylvac Ultra-Cal, Euro-Cal (such as Mark II, Mark III, Mark IV, Mark V) Starrett 797 Electronic Digital Caliper Starrett 782 Micrometer Starrett 781 Accubore Mahr Federal 25ES / 27ES / 31ES / 32 ES MarCal MultiMar Caliper Mahr Federal M 814 Digimar Mahr Federal 106 ES MarTool Protractor Mahr Federal 1082 Bowers Micrometer Brown & Sharpe Micrometer Euro-Cal III Caliper Mark II Bore Gage S_Cal Calipers Sylvac Calipers Syvac Gages with Paddle Sylvac Series 213 indicators Digital Ultra-Height Gage Holematic Mark II XT Holematic and HoleMikes MiniVertical Series II Starrett 781 Accubore Starrett 782 Micromerter Starrett 797 Caliper Mahr 25 ES / 27 ES / 31 ES / 32 ES Mahr 106 ES Mahr 1082 Mahr Digimar M 814 Multimar 25 ES MarTool 106 ES