Heavy Duty Pivot Shoe, 1/2" Thick

The window has no identifiable markings for manufacturer or otherwise. They said some handyman installed and never said where it came from. I am in need of two new systems. It appears as if it's a 6 lb spring with factory stamping 933. Any and all help would be appreciated for this need. John ... (cont.)

I have a double coil window balance that is needing replacement. Each coil has seven on it so I assume that means 14 lb on each side. I am looking to get a match to this part. This part is approximately 5 in long and one and a quarter inches wide. I've submitted this post for the purposes of you see ... (cont.)

Hello,My coil balance system is broken so my windows can't hold open anymore (The coil is broken on the right side and does not support the pivot shoe, a part of the coil is broken on the left side and the pivot shoe as well as the pivot bat is borken on the left side). I will need to replace both r ... (cont.)

Please let me know if you have a comparable window coil balance parts for my sindow