P121-Window-Stay-Clamp-Yale-Locks-710121005071-p-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-p-p-Finish-White-br-1-x-Key-p-Yale