The Dorma BTS84 is a double action floor spring specifically developed for the aluminium & toughened glass industry.
Kit includes floor spring, cement box, bottom strap, cover plate, top pivot and sealing compound
Suitable for use with timber or metal doors
Adjustable spring strength
Door stop is recommended to prevent damage to floor spring
Lead times listed under additional information
Finish: Grey closure body, Stainless Steel Cover Plate