Shaft collars come in various sizes and are measured by internal, or bore diameter, outside diameter, and width. Here is some additional information about Climax Metal Products Shaft Collar. Material:Stainless Steel, Width:9/16", Number Of Pieces:1.

Shaft collars come in various sizes and are measured by internal, or bore diameter, outside diameter, and width. Here is some additional information about Climax Metal Products Shaft Collar. Material:Stainless Steel, Width:9/16", Number Of Pieces:1.