M4 x 35mm Male Thread Knurled Clamping Knobs Grip Thumb Screw on Type 2 Pcs - Black,Silver Tone
$8.74
Thread Diameter: M4; Thread Length: 35mm/ 1.38";Thread Pitch:0.7mm. Safe, secure grip for the ultimate in adjusting and tightening control. Tightly molded-in metal insert insures optimal durability and functionality.