This commercial item description (CID) covers the general requirements for coupler, drawbar, ring: light duty, 60,000 lb., Gross Vehicle Weight (GVW); offset (taper shank), 60,000 lb. GVW; and heavy duty, 120,000 lb. GVW. Coupler, drawbar, ring: light duty, 60,000 lb. GVW; offset (taper shank), 60,000 lb. GVW; and heavy duty, 120,000 lb. GVW covered by this CID are intended for commercial/industrial applications.