●Professional workmanship - we produce the spirit levels with the greatest possible care and attention to detail; A perfectly flat surface ensures precision and excellent contact with the ground ●Single-chamber profile - guarantees very good resistance to mechanical damage; The thickened walls and embossing provide flexural and torsional strength ●ERS+ (Easy Reading System Plus) - Quick and easy reading thanks to the even larger vertical and horizontal displays with magnifying effect; Spirit levels Libelle are made of high-quality acrylic glass ●Impact resistant - the level has elastomer caps on both short ends that absorb the energy of impacts; In combination with the recess, this provides great protection and increases resistance to loss of measurement accuracy ●Magnets - The spirit level with magnet is equipped with neodymium magnets; These are 5 times stronger than the commonly used ferrite magnets.; As a result, they stick better to the floor and make your work easier