Home / Garage Door Springs / Catnic / Westland Engineers Door Springs Click to Enlarge     Catnic Extension Spring For Single Garage Doors £114.00 per pair To suit 'Retractable' garage doors 9 feet wide and under made by Catnic. These doors are fully tracked so the door when open, retracts all the way into the garage. The spindles on these garage doors are at the top and run in horizontal tracks. To help you ensure you are ordering the correct part please measure the length of your spring it should be approximately 24" long excluding the retaining eyes. When ordering these springs we will need to know the following Door Size Both the width and height Door Style Different styles have different weights and therefor please use the pictures below to help you. Springs are supplied in pairs. Please choose options from drop down list below. Please choose from the following options so we send you the correct strength springs: Door width. 6'6" or 1980mm 7'0" or 2135mm 7'5" or 2260mm 7'6" or 2286mm 7'8" x 2348mm 7'10" or 2400mm 8'2" or 2500mm Please note that the door could be up to 1" 25mm smaller than the frame opening width. Door Height 6'6" or 1980mm 7'0" or 2135mm Please note the door could be up to 1" or 25mm smaller than the opening height. Door style. Horizon or horizontally ribbed Carlton or vertically ribbed Georgian or squared design 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 Defender Red More Details Garage Door Lubricant More Details Privacy Policy	Kingsley Garage Doors 11 Langthorne Ave Stevenage, Herts. SG1 3ND UK (Administration only) Tel. 0800 279 0725