Kupo Knurled Round Knob with 1/4-20 Female Threaded Hole

The Kupo KS-068 is a lightweight aluminum knurled round knob, 45mm in diameter, with a 1/4"-20 female threaded hole, weighing just 20g. The knurled edge gives a secure hand grip for tightening onto any accessory with a 1/4"-20 male thread, and it's commonly used to lock down suction cup mounts and similar camera or lighting accessories.