3/4" x 2" Abrasive Resistant (Type K-400) contact bars for Protection from abrasive applications and extended wear life 
1/2" Thick wings (never exceeding 7" height to prevent "wing folding" 
5/16" gussets for maximum strength and wing support 
Full Keyed Hubs to Insure Highest Clamping Force
1" minimum end disc thickness submerged-arc welded, internally and externally for additional protection against weld fatigue.
CCI's unique end pipe design for additional welds helps reduced wing height and Hub Fatigue from Shaft Deflection