The Diegel foiler is the leading foiler in the stained glass industry. Constructed of durable plastic and Brass components, the Diegel foiler is the only foiler with a lifetime warranty and parts and workmanship. Only the Diegel Foiler will off-center the foil. This is important if your foiling BEVELS. You'll want more foil on the back side to line up correctly with the front side. The only foiler that can foil Ripple glass. The smoother side must be toward the guide pin. Set the Guide Pin so that there will be more foil to cover the ripples. The reels can hold every type and size of foil. The patented reels are made not to spin freely. The Rubber Gromet nut allows for tightening or loosening to meet your foiling needs and will never adjust while foiling.