Mayes Level 10309 Water Level

Simplifies yard grading, fence building and many other home, farm and commercial jobs requiring the establishment of accurate level points, sides or surfaces. 2 clear plastic tubes with shut off valve and breather caps attach to any garden hose. Operates on the basic law that water seeks its own level. Can be used indoors or out, around corners. Simple and easy-to-use. Packed 1 on card, with instructions on back.