JewelStik

Over sixty years ago, the original oval design and diamond coating of sharpening tools was perfected by Harlan D. Hewlett, founder of Hewlett Manufacturing, located in Linesville PA. Establishing roots as an OEM manufacturer, JewelStik Diamond Sharpeners emerged to dominate as a world leader in the art of diamond coating for knife sharpening and as a supplier of diamond sharpening tools to the world’s most prestigious knife companies.

Hewlett Manufacturing is a family business producing quality diamond coated sharpening tools for your home and shop. Our mission is to provide the highest quality product, resourced, assembled and made in the USA with friendly, efficient service.