Specifications: Various type of shape or size can be customized by your samples or drawing. 1. Round diameter 3mm-8mm 2. Thickness of silver layer 0.2mm-0.6mm 3. Thickness 0.8mm-2mm 4. Contact material Ag, AgNi, AgSnO2, AgCdO / CuNi More competitive price, more excellent quality, more considerate service! Inner Package:vacuum plastic bag Outside Package: carton