Brand: Cornerstone Educational Supply

Product Code:

Availability:In stock

$1.75 1.75

This is our Glass Hardness Tile, used for hardness tests. 

Our glass tiles are 1.5" x 1.5" x 0.25" and won't break during testing! They also have rounded edges for safety and will survive the occasional drop to the floor. 


*Available in singles with a discount once you order 10 or more.