The CRL Fletcher® Gold-Tip® Designer II Narrow Head Glass Cutter with Solid Brass Contour Grip Handle is made from the highest quality materials for flawless performance time after time. The Fiberlock® Anti-Leak Fluid Dispensing System lays down a perfect bead of fluid for smooth, precise scores. Machined from hardened steel, the head, ball bearing axle, and wheel slot are designed to resist wear and tear and guide the 140º tungsten-carbide polished cutting wheel. The solid brass handle is perfectly balanced for easy cutting. Cutting heads are interchangeable and simply snap in and out for straight edge cutting. It has the option for fixed or swivel head cutting. The solid brass handle has a tapping ball on the end for easy break-out of the glass. A superb cutting tool for the glazing professional.