Clevaland's UHX line stands for Utility Hollow. Offering a half cavity back, half utility hollow, the UHX is unlike any other design on the market. , The UHX signifies the half hollow body and half cavity back construction. The line of irons are designed for a blend of distance through its hollow body tech and control and forgiveness through its cavity back. , The Cleveland Launcher UHX is a combination set that delivers forgiveness with the long irons and accuracy with the short irons thanks to its utility-hollow cavity back design. progression that is performed in an attractive manner. UHX Means Utility Hollow .