coil spring parts

hi,do you have coil springs parts for a series 380 double hung window the coil spring sizes I need are 7.5 and 6.5 and 5.35 the coil springs screw into each side of the coil shoe if so can you tell me how much they are the windows I got are from mi windows and doors but they stopped making the windows series I have and cant get the parts no more please let me know if you have them I live out here in az so theres no co I can get these at please let me know if you can get them

hi,im getting back to you to the coil spring is like the one on your web site 15-180 do you have these sizes for my windows 7.5,6.5 and 5.35 like I said earlier there for series windows 380 double hung windows if so how much are they