Stabila Bevelled Shaped Spirit Level 81 S artificial-grass The brick has a compression

The brick has a compression strength greater than 50 N/mm² and less than 12% water absorption

This is designed to seal against water penetration as well as being airtight

Additionally

compliant solution for passive fire protection

Stabila Bevelled Shaped Spirit Level 81 S artificial-grass The brick has a compressionThe Stabila Type 81 S Bevelled Shaped Spirit Level is a robust and distinctive level featuring a slender trapezoidal profile. It is especially suited to craftsmen who work in extremely demanding conditions, such as bricklaying and other heavy duty site applications. Manufactured with a die cast aluminium body, the 81 S is one of the sturdiest spirit levels produced by STABILA. Its strength and durability make it ideal for long term use on busy