Enhance the functionality of your equipment with the U19775 Nut Knurled Thumb from APEM INC. This high-quality thumb nut features a knurled design for easy grip and precise adjustments. With a diameter of 55/64 inches and a thickness of 11/64 inches, this brass nickel-plated nut is durable and corrosion-resistant. Upgrade your machinery with this reliable and versatile component from APEM INC.