3/8" x 2" Thumb Screws Bolts with Black Round Fluted Clamping Knob 2 or 4 Pack
3/8" x 2" Thumb Screw Bolts with Round Fluted Plastic Hand Grip for Clamping. Round, fluted knob pressed on for comfort and efficiency. 3/8" Thumb Screw T Bolts Yellow Tee Wing Plastic Clamping Knob Stainless Steel.