Using the lever principle to control the handgrip, lift up the screen frame and hook it.

Adjusting the adapting piece to lift up the screen frame at a angle of 30-45 degree.

Put up the handgrip will lay down the screen frame.

The handgrip could be moved with 5.5" (14cm) in the horizontal direction, suitable for the screen frames which size is less than 23.6" (60cm).

Max thickness of screen frame clamp is 0.78 " (2cm) , it could be adjusted according to the thickness of the substrates.

Has a metal pad under the screen frame clamp, it makes more easier to adjust the height.

Necessary hand tools are supplied.