size:
1pc 100x75x2.5x1.3mm   HCS  ground&side
1pc 100x75x2.5x1.3mm   HCS   ground&side
2pc 100x75x4x1.3mm   HCS   ground&side
1pc 100x75x4x1.2mm   HCS  ground&side
1pcs 76x51x1.27x1.3mm HCS   ground&side
1pc 100x75x3x1.2mm   HCS milled&painted
1pcs 76x51x1.2x1mm  BI-METAL milled&painted
1pcs 76x51x2x1mm BI-METAL milled&painted
1pc 100x75x2x1mm   BI-METAL milled&painted