Clamping Knobs Assortment (with Threaded Female Insert)Hillman Item #52093
A Hillman assortment of clamping knobs with a threaded female insert. Clamping knobs provide a strong grip and secure control through the use of elements such as texturing, knurling, lobes, or wings. These knobs are ideal for applications that require quick hand adjustments. Included parts measure 1.75" in diameter. Full assortment contains six (6) refills comprised of Hillman item numbers #397622 - #397627.