| Square block | Long | Width | Thickness |
| Maximum | 200.00mm | 80.00mm | 42.00mm |
| Least | 2.00mm | 1.50mm | 0.50mm |
| Tolerance | +/-0.1mm | +/-0.1mm | +/-0.1mm |
Surface treatment:
| Type | Data |
| Metal | Zinc, Nickel, Silver, Gold |
| Organic character | Epoxy resin spraying, nickel + epoxy resin spraying |
| Tentative | Surface passivation |