Five Bar, Swing open and lift put style mounting brackets, Steel, Color White, Powder Coated, Length 24-42 In, Height 21 In, Width 1 In, Includes Mounting Brackets & screws Window GuardsSwing open for emergency exit. Length is adjustable from 24" to 42" for different size windows. Include locking channel and mounting screws. Steel construction, white. 4WEX2 has an angular bar design that resists bolt cutters.