here is a picture showing where the widow maker splits.
http://i1152.photobucket.com/albums/p494/69B-Cuda/widow%20maker%20seam.jpg
Here is a pic of the front of the same wheel (front if it was on the truck)
http://i1152.photobucket.com/albums/p494/69B-Cuda/wid_mak_front.jpg

Here is the front of a "split rim" or locking ring type (or one type at least)
http://i1152.photobucket.com/albums/p494/69B-Cuda/split%20front_01.jpg
another angle
http://i1152.photobucket.com/albums/p494/69B-Cuda/split%20front_02.jpg

Mike
1955 Chevy 6400 ex-flatbed (no bed now!) sold September 2023
In the Stovebolt Gallery
1958 Chevy 6400 flatbed W/dump
In the Stovebolt Gallery
1959 Chevy Suburban Owned for almost 20 years, Daily Driver -- sold May 2016
In the Stovebolt Gallery

Sufficient unto the day is the evil thereof