The Spectra Precision AL20M is a 20x magnification, magnetically dampened, high-quality, precise instrument for construction applications. Even as a moderately priced auto level, the AL20M uses the same rugged housing as the AL24M and AL28M and offers crystal clear optics comparable to expensive survey-grade quality levels.
- Double-sided, continuous horizontal tangent drives
- Clear stadia lines for simple distance measurement and a convenient horizontal angle measurement scale
- 20x Magnetically Dampened Automatic Level - AL20M