NOW SUPPLIED WITH ONE WAY SECURITY SCREWS British made window bars pack of 6 with all fixings supplied Adjustable to fit between 700mm to 1200mm (tube diameters are 20mm inner , 25mm outer) Pack of 6 bars mild steel powder coated for durability and finish. Fixing plates are 60 x 30 x 5mm + No. 10 Clutch screws 1 & 1/4 inch countersunk zinc 100% British made using locally sourced raw materials, Weight: 7.0 Pounds, Manufacturer: Avonstar Trading Company Limited