Extendable Window Bars | 4 Square Bars | 630-1100mm Wide x 420mm High (D) retractable security door 316 marine grade stainless steel

316 marine grade stainless steel helps withstand New Zealand conditions

and resettable pushbutton lock

it helps reduce the risk of pry attacks and door-frame separation while maintaining a discreet appearance around entrance locksets

and long-term outdoor use

The 4-square-bar design provides additional coverage while maintaining flexibility across different window openings

Extendable Window Bars | 4 Square Bars | 630-1100mm Wide x 420mm High (D) retractable security door 316 marine grade stainless steelExtendable Window Bars 4 Square 630 1100mm (D) Top Features Welded steel construction with 4 square bars Fixed length: 420mm Expands from 630mm to 1100mm (two sliding welded sections) Bar spacing: 100mm Outer bar diameter: 20mm Inner bar diameter: 15. 88mm Key Strengths Strong Protection for Vulnerable Windows Built from welded steel to create a strong visible barrier that helps strengthen vulnerable windows and discourage forced entry attempts.