Feature: 1. Simple Installation: When using the safety window wind bace, there is no need to drill, we can directly install it, simple operation, easy to learn 2. Adjustable Advantage: Casement window hinge with the advantage of being adjustable, we can adjust the window according to different sizes and weights 3. Material: Casement window hinge is made of aluminum, with strong structure, durability and stability, not easy to damage, long service life 4. Compatibility: Compatible with various window types, including sliding window, pivot window, can meet the needs of different people 5. Enhance Home Safety: Improve safety by using casement window hinge to avoid accidental falls, suitable for home and office Windows Specification: Item Type: Casement Window Stay Material: Aluminum Alloy Weight: Approx. 186g / 6.6oz Color: Silver Package List: 1 x Casement Window Hinge 7 x Screws 1 x Hex Spanner