ABC Discs with the hole

Technical specification:
Chip type: EM4100, EM4102, T5557, MF1S50, S70, Ultralight, I-Code I, I-Code II
Dimensions (mm): 30x2x3, 30x2x5, 35x4x3.8, 50x2x5, 50x5x5, 52,8 x8x5
Color: optional
Material: ABS plastics