+GEZE TS 550 NV FP DOUBLE ACTION FLOOR SPRING MECHANISM ONLY. ADJUSTABLE SIZE 3-6, ADJUSTABLE CLOSING SPEED (FROM 175°), FIXED BACKCHECK, DELAYED ACTION (FROM 180-80° AND 80-0°) AND ADJUSTABLE LATCH ACTION (15-0°). SUITABLE FOR INTERNAL OR EXTERNAL DOORS UP TO 300kgs. SUITABLE FOR FIRE DOORS. WITH CEMENT BOX BUT WITHOUT COVERPLATE, STRAP, PIVOT OR TOP CENTRE. CAN BE USED IN WET ROOMS WITH SEALING COMPOUND PACK.