... .0mm, or 3.0mm, compact unit for surface mountAble to by means of a metal case and completely sealed high solution ... product list: -HC49 series (HC49U/HC49S/HC49SMD, 49SMD 4pads)-SMD crystal 4 pads (7*5mm, 6*3.5mm, 5*3.2mm ... .5mm, 5*3.2mm,3.2*2.5mm) -Watch crystal / cylinder crystal/ tuning fork(2*6mm,3*8mm,2*6mm frog type. SMD3.8 ...