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25mm L-Bar Prism:
- This SECO Mini Prism is ideal for deformation surveys, mining surveys, or where permanent mounting is needed
- Design makes mounting and pointing simple
- Features a black anodized aluminum holder
- Mounting hole is 10.3 mm (0.406 in) in diameter
- Tilting screw uses an 8 mm hex wrench to loosen and tighten it
- -25 mm offset
- Choose between either a copper or silver coated prism