Ensure that scales, balances, and other weighing devices are accurate by using spirit levels for adjustments. While the standard tubular design levels only in that direction, a bull’s eye levels across a plane. All styles utilize low viscosity alcohol bubbles to indicate surface flatness or fine-tuning requirements. The small tool easily accesses typically hard-to-reach areas to maintain high resolution measuring conditions. Eliminating any equipment flaws, allows handlers to focus on other detrimental elements that would impact conclusions.