Top quality clamp with extra-strength construction. Super Hex features a ½" wide band, while the Minex band is 5/16". Durable 200 series stainless steel band and screw housing. One-piece screw housing is interlocked onto band for extra strength. Solid head forged from one piece of steel, cadmium plated. Hex shaped screw with deep slot - tightens with screwdriver, nutdriver or socket wrench.