10 lbs Series 210 Roller-Tilt .880, Single

This is a Series 210 replacement constant force balance system for tilt windows. It moderates the operation of your window sash using a specifically calibrated coil spring that allows the window to stay open when raised and remain shut when closed.

• This balance comes complete with a pivot shoe, coil spring, and coil spring cover.
• The spring is stainless steel and coated for low friction and corrosion resistance.
• Travel extension: 37-1/2"
• Fits pocket size 7/8" x 1-1/4" (.880 x 1.292).
• A pair of 10 lb assemblies will carry 17 to 20.99 lbs, (sold individually). The weight you need should be indicated as a stamp or imprint on your old balance cartridge cover.