Metal Sliding Lock "SEPA Brand High Durability" by Hinaka Corporation Attach to the sash of the window frame by turning the knob. The color is a dark gray, like a brown. I used it when I was using a window air conditioner, but there are almost no scratches on the visible surface. - Brand: SEPA - Color: Dark Gray - Type: Lock - Material: Metal - Shape: Screw-type 【Search Terms】 Window Lock Security Prevention Key Window Fan Window Air Conditioner Corona CORONA