Thumb Screw, Type Thumb Screw, Finish Zinc-Plated, Material Steel, Thread Size 1/4 In.-20, Fastener Length 1 1/2 in, Head Width 0.83 in, Head Height 0.52 in, Tensile Strength -, Head Type Spade, Maximum Head Width 53/64 in, Minimum Head Width Not Applicable, Maximum Head Height 33/64 in, Minimum Head Height Not Applicable, System of Measurement Inch, Head Material Steel/Zinc, Head Shape Spade, Package Quantity 25