Material: Housing: Thermalplastic, Heatproof Plastic / UL94V-0 Cover: Thermalplastic, PPS / UL 94V-0 Contact: Phosphor Bronze, C5210R-SH, T=0.20mm 100~200µ" TIN / Laed (9:1) Over 50~100µ" Nicel Ober All Fitting Nail: Phosphor Bronze, C5191R-SH, T=0.20mm 100~200µ" TIN / Lead(9:1) Over 50~100µ" Nicel Over All