Stainless Steel Frame Post Replacement part
Part 37-50W. is a direct Stainless Steel replacement for factory Penn made part.
Part No. 37-49/180CC is a .219" diameter x 1-5/8"(1.625") long stainless steel frame post. This post will fit various models of Penn reel:
27, 49L, 78, 100M, 110, 146L, 149L, 180, 185, 190, 249, 349, 349H, 349HC, 501, 506HS. The post diameter may or may not be the same as the stock chrome over brass posts on your reel. There seems to be several diameters used. These should fit any Penn with a post length of 1-5/8" and have 5-40 threads.