1 mm, Edge Type Beveled, Number of Slides 144, Includes Not Applicable, Color Yellow, Refractive Index 1.52, Coefficient of Thermal Expansion 90 x 10-7/ Degrees C (20 Degrees C to 350 Degrees C), Maximum Operating Temperature - Centigrade 350 Degrees C, Minimum Operating Temperature - Centigrade 20 Degrees C, Edge Angle 45 Degrees , Autoclavable No, Standards Not Applicable.