As a research, development and manufacturing company, NSI has been advancing technology for the professional-only nail market for more than 60 years. Headquartered near Philadelphia, NSI is committed to creating time-saving, cost-effective products, enabling professionals to work more efficiently and profitably. For more information about the NSI professional-only product line, contact us at (800) 354-6741 or visit the NSI website at www.nsinails.com