HO Scale Knuckle Gearboxes (1dz) Springs (1dz)

HO Scale Knuckle Spring for Standard Head Couplers (1dz)

HO-Scale Knuckle Springs For all Standard Head Couplers.
(Except #58, #78, #119, #150-Series, #178, #711, #714, & #2100)

One dozen per package

Specifications:
Outside Diameter - 0.052
Inside Diameter - 0.044
Wire Diameter - 0.004
Pitch - 0.014
Total Coils - 10.0
Free Length - 0.148
Solid Height - 0.040