This American-style crescent window lock is designed for both left and right use, making it versatile for various old-fashioned plastic steel doors and windows. The sliding fixed latch ensures secure closure, providing peace of mind and enhanced security. Its white side hole design seamlessly blends with any window frame, adding a touch of elegance while maintaining functionality. Features -Color:White -Material:Aluminum Alloy -Size:7.00X3.40X2.20cm/2.75X1.34X0.86in -Universal design: suitable for both left and right opening, compatible with various old-style plastic steel doors and windows, ensuring versatile use -Aesthetic side hole: the white side hole design is elegant and blends seamlessly with doors and windows, enhancing home decor -Strong locking mechanism: effectively prevents accidental window sliding, ensuring family safety with a locking system -Sliding fixed lock: ensures doors and windows remain securely closed, preventing accidental opening for added security - craftsmanship: made with high hardness, wear resistance, and durability, this window and door lock is more than plastic alternatives Package list: 2 x pair of sliding window sash locks 8 x screws