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For manual uncoupling the #118 & #119 shelf coupler the #241 has a "pointed" end to fit around the top shelf. The other "blade" end of the #241 is for manual uncoupling standard couplers, HOn3, HO, S, On3, O, & #1 Scales.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.