Hand Knob Handle Type Wing Handle Material Brass Thermoplastic Mounting Type Threaded Bushing Thread Size #8-32 Thread Standard UNC Handle Dia 28.00mm Base Dia 12.00mm Overall Height 15.00mm Screw Length 6.00 mm Tap Type Blind Hole Includes - Standards RoHS Thread Type UNC Color Gray Features Durability and Strength Ergonomic Design Novo Grip Optical Appeal Precision Performance Finish Matte