The QS880 floorspring represents everything the QS brand stands for: great design, superb functionality abd exceptional value for money - all backed up with a 5 year warranty.

Size 4 for doors not bigger than 1050mm - 30Nm, up to 150kgs
EN1154 compliant
5 year warranty
Suitable for high traffic use
Two valve speed control
Non-hold open
Extra thick cover plate
Complete with double action fittings.

QS880/4 HO QS880/4 floorspring (spring strength 4) EN1154 compliant, with double action top center and bottom strap

QS880/4 NHO QS880/4 floorspring (spring strength 4) EN1154 compliant, with double action top center and bottom strap