Hand Knob, Handle Type Wing, Handle Material Stainless Steel, , Mounting Type External Thread, Thread Size 5/16 In.-18, Thread Standard UNC, Handle Dia. 28.00mm, Base Dia. 14.00mm, Overall Height 24.00mm, Screw Length 40.00 mm, Includes -, Standards RoHS, Thread Type UNC, Color Black, Features Durability and Strength, Ergonomic Design, Finger Specific Precision Performance, Novo Grip, Finish Matte