Penkid Locks Ltd. is a specialized company on safety and security locks for doors and windows. We produce high quality innovative and patented products and export to all over the world. Penkid is a registered trade mark and all our products are patented and desing registered. Penkid window restrictor is designed for safe ventilation. Unique design of Penkid is protected by Turkish Patent Institute. Penkid prevents accidents caused by falling down from windows and doors Penkid can be locked with key and opened when needed Penkid is suitable for all kinds of door and window Penkid is made of zinc alloy cast body Steel wire rope is durable to 550 kg force The wire rope is plastic covered and 20 cm long White, grey, light and dark brown colors are available Penkid's Colored plastic covers for body provides elegance and durability Agents are needed worldwide!