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Four-Prong Knobs & Screw Clamps

Handles, Knobs & Screw Clamps

Carr Lane four prong hand knobs are designed to provide a firm grip for applications requiring quick tightening and high torque. Classic hand knobs are available in aluminum, cast iron & stainless steel, while easy-grip four prong knobs are available in thermoplastic and phenolic variations. Carr Lane’s Bar-Lok Quick-Acting Screw Clamps are the strongest on the market, featuring a patented grooved-bar design. Also, available in this section are a variety of hand knob assemblies and quick-acting knobs designed to easily slide in and out of clamping position. All products available in this section are offered in a variety of versions and sizes. Browse the full-line of American-made Carr Lane Four Prong Knobs & Screw Clamps below.