Polygon spade with instrument plate

Polygon spade / Bolin spade with instrument plate

• The polygon spade or Bolin spade is used in narrow passages in connection with road and railway measurements, e.g. bridges, rock cuts
• On the underside of the instrument panel there is a fixed spirit level
• Length: 350mm
• Weight: 2.85kg
• The marking consists of a strong threaded sleeve that is drilled into and attached to the wall
• The polygon spade is attached to the sleeve. Sleeve for attachment is purchased separately, item no: 1542

NOTE! The polygon spade has replaced the predecessor UNIP which is no longer available.

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