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1)Spring box (various size); 2)4 and 6 pipe holder and shaft holder ((1, 1-1/4 and 3)1-3/4 hole) 1 and 4)1-1/4 tension gear or charge wheel; 5)tension gear 3/8 keyway; 6)shaft reverse converts; 7) galvanized washer (various size);8) double flange bearing (various size);9) flat endlock (cast iron, metal; nylon)for more detail information, please send quota or question to email; Manufacturer or trading companies with available samples and past sales records of these products preferred. spring box; pipe holder; shaft holder; washer;tension wheel/charge wheel; flat endlock; collar; double flange bearing Garage door hardware and accessaries