Replacement Door Barrels (lock) for French Doors - YALE Kit includes 2 x YALE locking barrels (45-10-45) 100mm 6 X MATCHING KEYS Kit is universal fitting, can be fitted within just 10 minutes ( Philips Screw Driver Needed) Kit will fit 97% of uPVC doors in the uk, Super easy fit, Kit come with two different securing screws (50mm & 40mm) for easy installation The kit comes with 6 matching keys, all 6 keys fit both barrels Designed for French/Patio Doors, but also a great way to have one matching key for your front and back doors at home