Key Stock Assortment, System of Measurement Metric, Material Steel, Material Grade/Class Ungraded, Finish Zinc Plated, Thickness Tolerance +0.000/-0.002 in, Length 305 mm, Length Tolerance +0.000/-0.125 in, Number of Pieces 31, Number of Sizes 7, Manufacturer Location Made in USA*, Pack Size Small Pack, Includes (3) 12x12x305 mm, (3) Each: 10x10x305 mm, (5) 4x4x305 mm, (5) 5x5x305 mm, (5) 6x6x305 mm, (5) 7x7x305 mm, (5) 8x8x305 mm, Product Type Straight Key Stock Assortment, Key Shape Straight