The Plumb-It PIX 5.0 is a must for you professionals framing high walls and demand accuracy. This level has built in 1" offsets which allow you to level or top to bottom plate readings instantly. The PIX 5.0 has hefty polyurethane ends to absorb shock while setting the level. It has a interlocking triple anodized I-Beam design to help prevent bending damage. These levels are factory set for life and never need adjusting!