Scale of Hardness Collection With Test Kit - 9 Spec. 1" x 1-1/2"

CA$46.20
CA$37.00
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Scale of Hardness Collection With Test Kit - 9 Spec. 1" x 1-1/2"
SKU:
B-022875
Recently Sold:
23
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Product Overview

This is the traditional Scale of Hardness Collection (without diamond) and a Test Kit. Includes Streak Plate, Penny, Glass Plates, Nail and nine specimens 1" x 1-1/2" that are number coded. Grades 6+, Ages 11+.