Steel
Product Description
High-quality knurled-head knob provides a positive grip for quick finger tightening in light clamping applications. Available in steel, with tapped-hole sizes from 1/4-20 to 1/2-13 (M5 to M12 in metric). Also available in stainless steel, with tapped-hole sizes from #10-32 to 1/2-13 (M5 to M12 in metric). Made in USA.
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