... Cu AgNi10/Cu AgSnO2/Cu AgZnO/Cu Ag/Cu Quality Control:1. no oil,indentation, pit circle printed, needle ... starter,temperature controller,switches,etc.undercurrent contact devices,microswitches and precision instrument.Dimension: ITEMHEADDIAMETERD mmHEADTHICKNESST mmMULTICOATTHICKNESSSmmFOOTDIAMETERD mmLEG LENGHTHL ... 0.10<10±2≥10±0.2R±2 electric silver contact for switch,temperature controller etc