•CR2032 button cell cases, made of 316 stainless steel with sealing O-ring •Dimensions ( Dia X H ) : 20 mm x 3.2 mm •316 Wave spring •316 Spacer (thickness : 1.0 mm or 0.5 mm) •Circular Separator(Celgard) : 19 mm dia.x 25 um thick •Consumables for Battery R & D Battery Case for Cell Coin Cell Cases & Related Components •It is excellent for developing new rechargeable battery and battery electrodes.