The 4-step block is used for thickness and linearity calibration. The steps are 6.25 mm, 12.5 mm, 18.75 mm and 25 mm thick, and each step face measures 20 mm x 20 mm. The block is manufactured in accordance with ASTM E797. If required, we offer customization for additional and larger steps.

Features

• Dimensions: 0.787″ (H) X 3.149″ (L) X 0.787″ (W)
• Weight: 0.347 LBS
• Material: 1018 Steel, Nickel Plated
• Specifications: ASTM E797