The WoodRiver® 1-3/4" Ball Knob is a versatile solution for jigs, fixtures, tool handles, and shop projects. Great for low profile jigs. It offers a comfortable, ergonomic grip and a professional look. The pre-installed 3/8"-16 threaded insert ensures a secure, precise fit—making installation quick and easy. Whether you're building, upgrading, or replacing, this ball knob delivers dependable performance and lasting durability.