Wiper arm replacement

[bigk23surf]

Anyone know where I can find the replacement arm? I did a search and found plenty of posts on the blades and getting them at Ryder but I need an arm. Its on a 94 Seafarer if that makes a difference. Below is what it looks like (got the pic from another post)

 

[Marty grady 272]

I got a new set of adjustable legnth wiper arms from West Marine. All stainless steel and not expensive when compaired to the Grady dealers OEM replacement part