[Shock-Absorbing and Non-Slip Air Conditioner Stand] Window air conditioner mounting support bracket helps relieve weight stress on your window frame. A properly installed air conditioner window bracket minimizes the risk of damage to your window, exterior wall, or siding with the universal window air conditioner support bracket. [Adjustable Leg] The unique design of the leg extender allows you to freely adjust the length of the support arm, adapting well to different outside walls and relieving weight stress on the window frame. [DIY Window AC Support Bracket] Window AC mounting bracket works on most single- and double-hung windows (the kind that slide up and down). Not every air conditioner fits every type of window. Determine whether your window is compatible before installation. [A/C Safe Air Conditioner Support Bracket] Indoor installation. This DIY window AC support bracket allows for easy installation with no external work required. The entire installation can be completed indoors. Requires drilling 3 holes in the window sill. Please check if your homeowner association allows drilling holes in the window sill for installation. [Universal Design – Air Conditioner Support Bracket] Supports any window AC unit up to 165 lbs. Adapts to the space of the window sill thickness. Suitable for ordinary single or double-hung windows with window sills. Typically suitable for brick, cement, and wood window sills. Not suitable for hollow aluminum window sills. [Brackets for Window AC Units] Helps prevent your AC unit from falling out of the window and causing injury. Provides added stability and peace of mind. Color: As shown in picture Material: Steel Package Contents: 1 x AC Safe Support Bracket Note: Light reflection and different displays may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by +/- 1-3 cm.