This is an auxiliary lock for sash windows. It's an auxiliary lock for sash windows that can be easily installed by inserting it into the sash groove and simply rotating the knob. Installed on the sash, it prevents intrusion from the window. Made of die-cast steel and rubber, this sash stopper is impact-resistant and durable. The large knob makes it easy to turn and tighten. ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ ✿.•Instant purchase welcome・Silent purchase at midnight OK•.✿ *First come, first served for only one item♬.*゜ *Welcome to bulk purchases, please feel free to comment ♥Free shipping! ・Please understand that the items are stored at home and will be shipped in simple packaging. ・Please check the actual photos for the condition of the product♪ ※In order to sell at a slightly lower price, we may ship the item without the box due to shipping costs. ・We inspect the products before shipping, but if there are any defects, please contact us "before evaluation". ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ GOKEI Window Lock Stopper, Set of 2, Anti-theft Auxiliary Lock, Sash Window Auxiliary Lock, Window Lock, Window Stopper, Anti-theft Goods, Key, Window Lock for Children, Window Anti-theft Lock, Sash Lock, Door Lock, Sliding Door, Safety Lock, Window Lock, Window Anti-theft, Window Lock for Children, Sash Window Auxiliary Lock, Window Auxiliary Lock, Auxiliary Key, Brown, Set of 2, 28209931.7