Kadee 636 HO Scale Centering Spring for Split Shank Couplers

Centering Spring (for #711, 712, 714 & 715 Split Shank Couplers) Precision Engineered Coil Metal Centering Springs for #711, #712 3/4 size HO-Scale and #714, #715 HOn3-Scale Split Shank Couplers. One dozen per package UPC: 765484006367 USA Flag Made in the U.S.A. HOn3-Scale & HO-Scale Package Includes: (1) Dozen #636 Coil Metal Centering Springs #636 Spring Specifications: Part Number (catalog) - 636 Part Number (in house) - HO-3 Outside Diameter - 0.052 Inside Diameter - 0.046 Wire Diameter - 0.003 Pitch - 0.008 Total Coils - 15.0 Free Length - 0.128 Solid Height - 0.045 Load (Solid Height) - 2.0 Closed Coils - ? Material - PB Recommended Tools: #241 Dual Tool