This spring is recommended by Bob Bartizek in the OGRR Great Layout Adventures Vol 11 coupler improvement segment, to use in place of stiffer springs under the coupler armature that make coupling gently a challenge. I found one well known parts dealer with these, at $1 each. However, Bob B. in video says he finds them at +/- 30 to 40 cents, max 50 cents. Can someone recommend a source(s) for modest quantities, few dozen say, at lower cost? Have also asked the one dealer if any qty pricing possible, awaiting reply. Thanks
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