Home / Garage Door Springs / Catnic / Westland Engineers Door Springs Click to Enlarge     Catnic MK4 Spring £62.00 each Catnic spring to suit a Catnic MK4 or Steel framed canopy garage door. Two springs in one. One spring lifts the garage door while the other balances the weight of the garage door. When fitted these springs are housed inside the steel frame but can be seen. Suits Catnic garage doors. Please select the garage door width, height and style from the drop down boxes below. This spring does not suit very early doors where cables are used to lift the garage door and the spring is completley hidden in the steel frame. Fitting Instructions Please choose the size and style of your door.: Door frame opening width. 6'6" or 1980mm 7'0" or 2135mm 7'3" or 2223mm 7'5" or 2260mm 7'6" or 2286mm 7'8" or 2348mm 7'10" or 2400mm 8'0" or 2440mm 8'2" or 2500mm Please note that the door could be up to 1" 25mm smaller than the frame opening width. Floor to underside of head beam height. Floor to underside of head beam hieght. 6'3" or 1905mm 6'4" or 1930mm 6'6" or 1980mm 7'0" or 2135mm Please note the door could be up to 1" or 25mm smaller than the opening height. Please indicate door style. Horizon or horizontally ribbed Carlton or vertically ribbed Chevron or diagonal lines Georgian or squared design Sailsbury or top part glazed bottom ribbed Parade or squared design with plastic coat For help identifying your door style please see the pictures above. Customers who bought this also bought: Garage Door Lubricant More Details Privacy Policy	Kingsley Garage Doors 11 Langthorne Ave Stevenage, Herts. SG1 3ND UK (Administration only) Tel. 0800 279 0725