Base Lab Tools 20mm x 20mm construction rails match international standards and have channels that accept sliding t-nuts on all four sides for mounting and building structures around your optical table. These extruded, black anodized aluminum construction rails are ideal for creating optical breadboard enclosures, instrument shelves and platforms.
- Channels for t-nut mounting on all four sides.
- International standard offered at less than half the price of similar rails.
- All aluminum construction with black anodized size and bare aluminum ends.
- M6 tapped holes on both ends