The stabila 81 s bevelled shaped spirit level is a rugged trapezoidal level for tradespeople demanding long-term accuracy on demanding brickwork and site conditions. Built to survive tough site use, the die-cast aluminium body resists impact and distortion, while the slender bevelled profile assists handling on tight edges. Durable aluminium frame die-cast body provides stiffness and impact resistance for everyday bricklaying and formwork tasks. Bevelled trapezoidal profile designed for stability when resting on bricks and blocks, with a slim profile for accessing narrow joints. Precision accuracy stabila installation technology delivers 0.5 Mm m in normal position and 0.75 Mm m in reverse position. Vials and surface alignment 1 horizontal vial and 1 vertical vial, each aligned with a precision milled measuring surface and locked together for consistent readings. Easy to clean electrostatic powder coating allows dirt to be wiped away, helping maintain accuracy. Surface quality one precision-milled measuring surface prevents discolorations and ensures true readings over time. Usage ideal for bricklaying, concrete form work and other demanding on-site tasks where a stable, accurate level is essential. For tradespeople who value reliability and long service life on site, the 81 s provides dependable performance in challenging conditions.