M8x40mm Male Thread Knurled Clamping Knobs Grip Thumb Screw on 7Pcs - Black,Silver Tone
$16.49
Thread Diameter: M8; Thread Length: 10mm/ 1.57";Thread Pitch:1.25mm. Safe, secure grip for the ultimate in adjusting and tightening control. Tightly molded-in metal insert insures optimal durability and functionality.