Find plumb, level and 45 deg even faster with larger, 1/2 in vials and SurroundView® vial surrounds that reflect ambient light in dim environments. This level's solid aluminum frame is highly durable to survive even the toughest jobsite abuse. The top-read window lets you view the level vial easily from any angle and the GripTight™ rare earth magnets hold to flat or round ferrous metal surfaces for convenient, hands-free use.