strut channel 1)Slotted or none slotted available 2) Length:3.00meters ... -galvanized or hot dip galvanizedB: The hole size is 9/16"*1-1/8" for slotted strut channelC: Come with the ... ,890 *0.056,890 *6,890 *6,890 *606,4200.16,4206,4206,420725,3500.145,3505,3505,350844,5900.194 ... ,0602161,7801.271,6801,2608402401,6101.581,3601,020680 C Channel Slotted or none-slotted