Sturdy box construction levels with three unbreakable acrylic offset vials that are easy-to-read are ideal for carpentry, masonry, framing, plumbing and other professionals who need an accurate and durable level.Two solid acrylic vertical vials with have Dual-View vial functionality while the single horizontal vial is magnified for fast readings. 0.0005″/” (0.5mm/m) accuracy at level, and in all plumb working positions. Two milled surfaces provide smooth and stable base.PVC shock-proof end caps add durability from unexpected drops to maintain accuracy for the life of the level. Plumb Site vial viewer allows plumb vial to be read from a front view position, eliminating the parallax error and increasing efficiency Bi-material, air-cushioned shockproof end caps protect levels from the force of falls, maintaining level integrity and vial accuracy Equipped with dedicated wall grips on both sides of the level, providing symetrical use and preventing damage of work surface Soft Grip handles with engineered cushioning for a better, longer, and more comfortable grip Non-slip handle design lessens slipping of level in wet conditions Epoxy-locked vials and plastic ABS vial housings Powder coated, anti-stick coating