To use a White Ladder Angle Ind. – Left Hand, first place the ladder on a level surface. Then, place a plumb bob or level at the top of the ladder and measure the angle of the ladder. The angle will be displayed on the graduated scale on the side of the ladder.
White Ladder Angle Ind. – Left Hand are commonly used to measure the pitch of roofs, the slope of land, and the vertical angle of other objects. They are also used in construction to ensure that walls and other vertical structures are plumb.
Not sure if this is the part you need or if it will fit your LTI Aerial? Call the Fire Line Equipment Parts Department at (717) 354-8106