Zirconia Ceramic 1-2-3 Blocks 53-439-101-0

Features:
• Blocks feature a coefficient of expansion only 2 x 10^-6/C° different than steel blocks.
• Constructed of Zirconia Ceramic

• Dimensions: 1″ x 2″ x 3″

• Flatness within .00004″

• Size accuracy within .0002″