M6 x 20mm Clamping Thumb Screws with Red Butterfly Tee Wing Knob Pack of 4
M6 x 20mm Tee Bolt Thumb Screws with Red Butterfly Wing Knob. These 6mm thumb screws are used for clamping material down with out a wrench. M6 Thumb Screw T Bolts Red Tee Wing Clamping Knob Stainless Steel 6mm x 1.0mm.