CHAMELEON All In One Repair Kit 2 Hook & 2 Roller, 2 Mushroom & 2 Roller + KeepsIf you are looking for a UPVC repair kit that will be able to suit the majority of locks on the market then look no further. This kit contains 3 centre cases with backsets 28mm, 30mm & 35mm, 2 locking point extension sets (2 x hooks & 2 x rollers and 2 x mushroom and 2 x rollers) and all strikes. The beauty of this kit is that all of the items are available individually so once you have used something you can top the kit up and be ready for the next