Midway has the Lee Dies in stock. All I use for my 358s. They work very well and 28.99 is good price. I am running two 358 BLRs so I always full length size. But if your looking for it Lee does offer a neck sizing die as a custom order.
http://www.midwayusa.com/product/172651/lee-pacesetter-2-die-set-358-winchester
