5/16″ x 1″ Thumb Screw T Bolts Red Butterfly Tee Wing Knob Stainless 4 Pack
5/16″ Thumb Screw T Bolts Gray Butterfly Clamping Knob Tee Wing Stainless Steel. Knob Material: Thermoplastic (Made in USA). Knob Size: 1 1/2″ (38mm) wide x 3/8″ thick. 5/16″ Thumb Screw T Bolts with Red Butterfly Tee Wing Clamping Knob Stainless.