The hanger is specially good for electric motorized projection screen. It makes some distance to wall, which will give a better experience. It holds the motor and make the noise down and down. TIPS: Usually, if the wall is flat, no need the hanger. However, if there's black board or other decorative things suffocating the projection screen, a hanger is Colour:White Material:steel Package Contents: 2 * L-Brackets 4 * self-tapping screws 4 * plastic expansion screws 2 * hooks 4 * spacers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Adjustable hooks to securely hold your screen 4inch to 10inch from the wall. Allowing for corner, chalkboard or television clearance and eliminating effect. Assembly is simple and we provide all the necessary hardware to get your screen up and hanging. Compatible with most manual or spectrum projector screen on the market. Support maximum loading weight up to 66lbs/30kg. This hanger is applicable for any projection screen, and it can make your screen stable and elegant. Made of sturdy steel to keep your projector screen .