garage door hardware,door hardware,garage door kits ,commerical sectional door , industrial sectional door garage door hardware( spring cones) Description: 1)Universal thread for use in either LH or RH wound springs 2)Maximum wire size-.331'' diameter 3)Set includes (1) winding &(1)stationary 4)Color coded winding fittings 5)(2)3/8''-16*1''hardeng cup point set screws installed 6)For use on 1'' tube or solid shaft-max 30ft*lbs set screw torque 7)Available with either long or short ears on stationary fitting 8)Can be combined with 6mm spring fitting for duplex assembly Packing: a)standard packing b)25pairs/carton c)size of carton 44/36/19cm d)or packed according your resquest garage door hardware( spring cones) features: 1)safe,firm and easy to install 2)high quality and low price 3)professional equipments 4)customer design is acceptable We are specialized manufactory in doors hardware and one of the largest enterprises of design,develop,sales of garage door part! Our products exported to USA ,Canada,Itality, Korea and lots of other counteries and enjoyed a good reputation . If you want to know more, you can contact us freely at any time!