These are rectangular blocks that are ideal for refraction and internal reflection studies as well as index of refraction measurements.
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Order# | Description | Size |
 RCB075 |  Rectangular Acrylic Block |  75 x 50 x 15mm |
 RCB100 |  Rectangular Acrylic Block |  100 x 75 x 20mm |
 RCB115 |  Rectangular Acrylic Block |  115 x 65 x 20mm |
 RCB115-G |  Rectangular Glass Block |  115 x 65 x 20mm |
 RCB125 |  Rectangular Acrylic Block |  125 x 65 x 20mm |