John Sterling 5-Bar White Swing Open Window Guard Model JS-1135 John Sterling JS-1135 window guards have security bars 18 inches high to protect up to 22 inches. Expansion is 24 to 42 inches. Warm white powder coated steel construction. Included are a locking channel with locking hole, a locking pin, mounting screws and a safety release lever . Swing open for escape in an emergency: unit not removable except by drilling out screws. For use in sleeping and non-sleeping rooms. Specifications: Bar Spacing: 3.5 inches. Exceeds 4 inch recommended safety standard for child window bars. Bar Diameter: 5/16th Inch. Strength Test: Tested to withstand 150 lb. force at maximum extended width. Install horizontally or vertically to protect double hung windows, sliders or casement windows from intruders or children falling from windows. Vertical or horizontal stacking for larger windows. Once installed, remove by drilling out all screws. Recessed or Surface Mount. Made in China for Knape and Vogt. Manufacturers Limited Warranty: Replacement of any part found defective in material or workmanship. Warranty is limited strictly to replacement of the defective part and does not cover any other expenses which may arise in the use or replacement of such part. NOTE: Check with your local building inspection department for window guard requirements for your locality. NOTE: New Jersey Law now requires the window guard cover the entire lower half of a double hung or single hung window, from the top of the sill to the bottom half of the upper sash, with less than a 4 inch gap above and below the guard. Choose BK-1130 series fixed mount window security guards for Non-Sleeping Room Windows. Sterling Child and Window Security Guards when properly installed will tend to discourage illegal intruders. But no protection is absolute. With enough time and tools a determined criminal can defeat any barrier. Installation Requirements: Install only in solid, non-rotting window tracks. Expand Guard to fi