M6 x 20mm Male Thread Knurled Clamping Knobs Grip Thumb Screws on Type 4 Pcs - Black,Silver Tone
$12.23
Thread Diameter: M6; Thread Length: 20mm/ 0.79";Thread Pitch:1.0mm Safe, secure grip for the ultimate in adjusting and tightening control. Tightly molded-in metal insert insures optimal durability and functionality.