MR13500 Everhard Aluminum"V" Roller, 2" dia. x 7/16" wide Aluminum "V" roller is 2" dia. x 7/16" wide; the hub tapers to a 5/64" rounded edge Provides greater ease in seaming tight angles and performing detail work The rounded edge won't cut membrane material. Enclosed bearings provide smooth rolling action; comes standard with a 5" hardwood handle. MADE IN USA