Kadee #625 HO Scale, Knuckle Spring for Scale Head Couplers

HO-Scale Knuckle Springs For use with all Scale Head Couplers.(#58, #78, #119, #150-Series, #178 & #2100) Kadee® Spring Specifications One dozen per package   Package Includes: (1) Dozen #625 Knuckle Springs #625 Spring Specifications: Part Number (catalog)  -  625 Part Number (in house)  -  HO-4 Outside Diameter  -  0.054 Inside Diameter  -  0.046 Wire Diameter  -  0.004 Pitch  -  0.012 Total Coils  -  10.0 Free Length  -  0.133 Solid Height  -   0.040 Load (Solid Height)  -  5.0 Closed Coils  -  ¾ Material  -   PB