These locking window stays feature telescopic operation and reversible handing. From Australian company, Tradco Hardware, they lock in either the closed or twelve open positions with two keys which are supplied with your purchase. These keys can be keyed alike or keyed differently when purchasing multiple window stays - when you check out, leave a comment to specify your lock preference. They are made of stainless-steel and feature the Physical Vapour Deposition (PVD) anti-tarnish finish. This creates a very durable and long-lasting brass finish that remains stunning over time.