Not only are they stylish to look at, they provide the benefits of both easy cleaning and ventilation, and both of these features are controlled by one handle. They are extremely safe because they have a multi-point locking mechanism that can be locked and sealed.They can be made both as single or double units and can be hung either left or right.tilt and turn

　　Pushing back against this closed-window trend, many commercial designers and developers today are interested in the benefits of breathing fresh air and giving people more control over their spaces.Operable windows can “even have positive effects on productivity.”

　　Both types feature a body of ABS and a spring of stainless steel.Sliding lock ideal for residential aluminium frame or timber frame glass sliding doors, also can be used on cavity sliding doors.