features:<br />1.100%  and high quality stainless steel ，durable and not easy to get rusty<br />2.appliance:aluminum and plastic steel windows<br />3.anti-theft，add more home safety<br />4.children safety lock，prevents childrenopen the window by themselves mistakenly<br />5.hole distance:50mm<br />6.dimension:85x30x24mml*w*h<br />7.type:left/right<br /><br />note: mounting screwsscrew size: 5mm  5x16/5x20 are not included! you can buy it easily in local store!<br /><br />package included:<br />1 x window lock