... used in small and medium-sized current contactor,starter,temperature controller,switches,etc.undercurrent contact devices,microswitches and precision instrument. ... mmHEADTHICKNESST mmMULTICOATTHICKNESSSmmFOOTDIAMETERD mmLEG LENGHTHL mmSURFACERADIUSSR mmDEMOULDANGELθ(o)FundamentalDimensions2.50.6,0.8,1.00.3~0.41.2,1.51 ... 0.2R±2 electric silver contact for switch,temperature controller etc