1. Yale nightlatch (Ref: M)
2. A 29 flat section coiled handle spring 29mm od (Ref: A29)
3. JR9 Era Viscount 5 Coil Closed Spring (Ref: ERAVIS)
4. Y8 2.5mmRound wire spring 8mm centre (Ref: Y8)
5. Lock Springs (Ref: LS)
6. Letterbox Springs (Ref: LBS)