Double Prism Optical Square for Right Angle Layout & Perpendicular Line Setting, Portable Penta Prism for Surveying & Construction
$43.99
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$43.99
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by democodigos.pollafutbol.co
Free 30-day returns Details
Product details
| Management number | 210923819 | Release Date | 2026/04/04 | List Price | $17.60 | Model Number | 210923819 | ||
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- DJ-2 Double Right Angle Penta Prism is used for determining 90° sightings. Comprises of two penta prisms of quality optical glass in sturdy aluminium housing. The accuracy of a right angle set with the optical square is approximately ±1cm at 30m. Used for: placing points on line, setting out curves, offset measurements, determining the horizontal and detail plans.
- Featuring two precision prisms, this Double Prism Optical Square supports simultaneous left/right right-angle and straight-ahead viewing. It shows both baseline and perpendicular line at once, no assistant needed—more efficient than single-prism tools.
- Effortless Right Angle Layout, Easy Perpendicular Line Setting
- Durable optical glass prisms and sturdy housing suit outdoor use. Lightweight with ergonomic grip, compatible with plumb bobs for stable, accurate positioning
- Essential for surveyors, engineers and landscapers. Fits right angle marking, curve staking and calibration—reliable for precise 90° measurements in all construction projects Used for determining 90° sightings.
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