Lever on concealed fix threaded rose. A diamond pattern knurled round bar. The SWL lever collection on a slim 7mm rose reflects the latest trends for subtle discreet fittings with ultra-modern styling and quality engineering. G304 grade and come with a secure heso spindle fix, ensuring these products are of the highest calibre. Fire door rated. Certified to BS EN 1906. Tested to the most stringent industry regulations, thus providing reassurance in quality and standard. Suitable for residential and commercial use.