Thumb Screw, Grip Style Knurled, Type Thumb Screw, Finish Plain, Material Stainless Steel, Thread Size 1/4 In. -20, Fastener Length 1/2 in, Thread Length 1/2 in, Head Width 0.25 in, Head Height 0.25 in, Tensile Strength 80, 000 psi, Maximum Head Width 1/4 in, Minimum Head Width Not Applicable, Maximum Head Height 1/4 in, Minimum Head Height Not Applicable, System of Measurement Inch, Drive No Drive, Head Material Stainless Steel, Head Shape Round, Package Quantity 5. This item has been restricted from sale in the following state (s): []