John Sterling BK-1133 3Bar Basic Fixed Guard 11x24-42 Inches White Swing-Open Style Child Safety & Window Guard (This base model installs fixed - the locking channel and safety pin are sold separately to complete the swing-open installation) Meets New Jersey Code: NJAC 5:10-27 for Child Protection Guards This 3-Bar unit if for maximum window opening heights of 14-inches This unit is adjustable in width for window widths of 24-inches to 42-inches Solid steel bars are spaced 3-1/2-inches apart to add security to any window