The Crick 36" 5 Piece Standard Level (36130) combines precision and unsurpassed quality to ensure accuracy in all leveling applications for quality craftsmen and professionals. This premium grade level is constructed from quality hardwoods selected for stability, a durable stainless steel binding, and hand-set glass vials for maximum precision. Each Crick level is manufactured to exacting standards and are guaranteed for a period of three years to be straight and read accurately to 0.015" in length of the level.