Designed for carpentry, plumbing, electrical, or HVAC work requiring accurate pitch or slope identification.

Made of new special acrylic materials and new ABS material makes it seismic, resists ultraviolet rays, prevents leakage.

The bottom strong magnet can be fixed on the metal for easy measurement and recording.

Easy to use. Just put it on any sloping surface and the sphere will point to the angle degree from 180 degree.

Ideal for identifying roof pitch, stair slope, or drainage.