public override void Write(BinaryWriter writer)
{
writer.Write(MaterialId01);
writer.Write(MaterialId02);
writer.Write(MaterialId03);
writer.Write(MaterialId04);
writer.Write(MaterialId05);
writer.Write(ItemNum01);
writer.Write(ItemNum02);
writer.Write(ItemNum03);
writer.Write(ItemNum04);
writer.Write(ItemNum05);
writer.Write(BitFields);
writer.Write(Pad);
}