For more than 18 years, Innovative Components, Inc. has pioneered the creative use of "Green" materials and technologies in its manufacturing processes. Innovative Components of Schaumburg, IL and its sister company Componentes Innovadores in Cartago, Costa Rica comprise one of the largest manufacturers of plastic knobs such as Ball Knobs, T-Knobs, Knurled Knobs, Star Knobs, 3-Prong Knobs, 4-Prong Knobs, 4-Lobe Knobs, Pull Knobs, Fluted Knobs, Tapered Knobs, Control Knobs, Instrument Knobs, Quick Release Knobs, Universal Knobs, and Snap-Lock Knobs. Call 800-566-2774 or email sales@knobsource to order your plastic knobs today.