Features & Specifications Supplied with a 40mm spindle Universal design – suitable for both left- and right-handed windows 43mm screw centres – compatible with industry-standard fittings Corrosion Resistant: Withstands 240 hours in a neutral salt spray test for long-term outdoor use Highly Durable: Lifecycle tested to 30,000 cycles for long-lasting performance Premium Materials: Handle & rose: Zinc or Aluminium Alloy Spindle & screws: Steel Cover cap: Aluminium or Copper, colour-matched for a seamless look, Weight: 0.2866009406 pounds, Manufacturer: DIREKT