The Long Backplate Door Handle has an excellent ergonomic design with great aesthetics allowing you to have a comfortable visually pleasing & most importantly secure door into your home. This handle incorporates the patented cassette which eliminates the 'dropping handle effect' making the handle feel stronger for a greater user experience when entering your home. This door handle has also been corrosion tested to 50 000 cycles & meets the British Standard BS EN 1670.