Pile Cap 80NB Pile Cap Tube: 89X5.5X120mm (350 Grade steel) Pile Cap Plate: 89x10mm (250 Grade steel) M36 Hex Nut: Class 8.8 Surface: Electro-galvanized or plain steel Pile Cap 90NB Pile Cap Tube: 101.5X5.5X120mm (350 Grade steel) Pile Cap Plate: 101.5x10mm (250 Grade steel) M36 Hex Nut: Class 8.8 Surface: Electro-galvanized or plain steel Notes: OEM service is available, different materials and specifications can be customized according to your demands.