Machine Key Assortment, System of Measurement Inch, Material Steel, Material Grade/Class Ungraded, Finish Zinc Plated, Thickness Tolerance +0.000/-0.002 in, Number of Pieces 58, Number of Sizes 13, Manufacturer Location Made in USA*, Pack Size Small Pack

'Machine Key Kit, Undersized, Square End Type, Number of Pieces 58, Steel, Zinc Plated Finish, -0.002 In Thickness Tolerance, Tensile Strength 64, 000 PSI, Rockwell Hardness B85, Includes 3 Each of 1/8 Sq x 3/4 In L, 1/8 Sq x 1 In L, 5 Each of 3/16 Sq x 3/4 In L, 3/16 Sq x 1 In L, 3/16 Sq x 1 1/4 In L, 1/4 Sq x 3/4 In L, 1/4 Sq x 1 1/4 In L, 1/4 Sq x 1 1/2 In L, 5/16 Sq x 1 1/4 In L, 5/16 Sq x 1 1/2 In L, 3/8 Sq x 1 1/4 In L, 3/8 Sq x 1 1/2 In L, 2 Each of 1/2 Sq x 1 1/2 In L, Compartmented Box'