Thumb Screw, Type P, Type Thumb Screw, Finish Zinc Plated, Material Steel, Thread Size 5/16 In.-18, Fastener Length 2 in, Head Width 0.96 in, Head Height 0.64 in, Tensile Strength -, Head Type Spade, Maximum Head Width 0.96 in, Minimum Head Width 0.91 in, Maximum Head Height 0.64 in, Minimum Head Height 0.6 in, System of Measurement Inch, Head Material Steel, Zinc, Head Shape Spade, Package Quantity 5