Job lot of vintage rim lock door feather leaf springs repair kit in four different sizes, making it a versatile and convenient solution for any DIY enthusiast. These are original old stock that it will function smoothly for years to come. Perfect for those who are looking to replace a broken or weak spring and you are unsure of the size required to fix your vintage lock this is a set of four springs as photos show placed on graph paper at 10mm squares so sizes can be scaled This spring set is a must-have for any period home improvement project.