Yale Window Stay Clamp Lock P-121-WE The Yale P121 is a window stay clamp in a white finish and is designed for metal casement window frames. The main feature is that it simply secures over the metal stay bracket and screws into the hole on the arm, thus preventing movement of the arm when the window is opened for ventilation or in the closed position at night for added security. Simply use the universal key supplied to lock and unlock. Finish White 1 x Key About this Item Secures over metal stay bracket Screws into the hole on the arm, preventing movement Key to lock and unlock Supplied with universal key Easy to use.
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