Used Parallels, Straight Edges & Surface Plates

Check for any signs of wear, damage, or warping. Verify the accuracy and flatness of the tools, and review any calibration records if available.

Ensure they are securely packaged in protective material to prevent damage during transit. Use a reputable shipping service that handles delicate equipment.

Regularly clean the tools to remove debris and contaminants. Periodically check for accuracy and flatness, and recalibrate or resurface as needed based on usage and manufacturer recommendations.