Window Latch: This white window sash lock can be used for both left and right. Prevent unwanted intruders and avoid falling accidents to keep your home safe. Widely used on horizontal and vertical single and double-hung sliding windows constructed of aluminum, wood, and vinyl materials also can be used on sliding doors. Cam Action Hook Design: This sash lock features a cam action hook that draws the keeper tight when locked. The latch body has anti- studs which engage the keeper. Make this window lock more sturdy. Rust-proof & : Zinc alloy die-cast sliding window sash lock using a multi-layer electroplating process well-built makes this window sash lock and keeper high hardness, wear resistance, anti-corrosion, and anti-rust, more than plastic window sash locks. Easy to Install: The distance between the center of the hole is 2.08 inches, simply drill holes in the edge of the window with a 3mm electric drill and tighten the metal sash lock with a screwdriver. High-quality mounting screws are included in the package so you don't have to worry about the screws breaking during installation. colour:White Material:Zinc alloy size:Two apertures: 53mm Package Contents: 2 x Slider Window Latch 8 x Screws Only the above package content, other products are not included. Note: Light 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.