Shinwa Sokutei Blue Level Basic Spirit Level 600mm with Magnet 73493

---------------------------------------------------------------------- Sensitivity: 0.5mm/m = 0.0286° Accuracy: ±2.5mm/m=within ±0.1443° Materials: Body (aluminum, ABS resin, polycarbonate resin), bubble level (acrylic resin), liquid (petroleum-based liquid) The bubble level cover protects the bubble level from scratches and dirt. This bubble level features a clear blue solution and a white line for high visibility.