The Lau 050998-01 pitch gauge helps measure the correct pitch and rotation direction of your fan blades.
Simply follow these 3-step directions- Step 1 - Position the faceplate of the gauge on the blade of the fan.
- Step 2 - Place the foot of the wire body of the pitch gauge on the spider of the fan.
- Step 3 - The pointer gives a direct reading of the pitch in degrees, and the CW/CCW markings indication direction.