Davies Molding thermoset and thermoplastic clamping knobs guarantee a strong grip through the use of texturing, knurling, or lobes. Clamping knobs are available in both thermoplastic, two-shot TPE thermoplastic and high temperature phenolic materials. Knob diameters range from .625" to 3.75" in diameter with molded in threaded female inserts, projecting studs and through-hole inserts.