The IDEAL Electrical 74-031 Aluminum Bender Head, 1/2 in. EMT, is made of lightweight aluminum construction for easy handling. It can bend conduit pipes to fit around any corner, ceiling, wall or irregularly shaped passageways. The bender features precision marks locating degree scale, star, arrow and rim notch for perfect bends every time. The bender head has easy visibility markings that are raised and cast into both sides. It has a deeply serrated steps and grooved internal hook surface that prevents slippage, while applying high leverage. It is heat treated for extra strength and reinforced at stress points for longer life. The bender head uses the Benfield bending system, which is standard to the industry, resulting in accurate and dependable bends.