GN 923. When the handle is released, the spring returns it back to the retracted position.GN923.7 flat-faced solid disk handwheels are distinguished by their modern design.
5 in, Tensile Strength 90,000 psi, Head Type Knurled, Maximum Head Height 0.5 in, System of Measurement Inch, For Use in Systems Jig and Fixture Component, Head Material 18-8 Stainless Steel, Head Shape Round.