Curved tips for a clean sight line. The front and back are marked with scales; both marked in millimetres up to 80mm, with large marks and numbers to denote every 10 millimetres.
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HD-90-601
Description
Curved tips for a clean sight line. The front and back are marked with scales; both marked in millimetres up to 80mm, with large marks and numbers to denote every 10 millimetres.