UNC1/4″ 3/8″ Clamping Thumb Screw Aluminum Tee 7/T Wing Knob Head Hand Grip Bolt
Type: Wing Knob Knurled Thumb Screws. UNC 1/4″ 3/8″ Knurled Thumb Screw Aluminum + Stainless Steel Hand Grip Knob Bolt. Double Wing / Single Wing (Optional). Thread Spec: UNC 1/4-20 & UNC 3/8-16.