Lockwood Velocity Series Small Round Rose Door Handles 55mm round rose, 9 lever styles. Simple twist and tighten fixing method. Super Fast Installation Through the simple twist and tighten fixing action the Velocity Series turns the rhetoric of ease of installation into reality. The frustration of fiddling with small parts or misplacing them during installation is a thing of the past as Velocity lever sets are supplied pre-assembled so there are no loose screws or spindles. Screws align through the rose removing the need to locate them blind through the door. A twist and a quick tighten of screws and the levers are installed. Lever L1 - Summit55mm Round Rose. Lever L2 - Spire55mm Round Rose. Lever L3 - Element55mm Round Rose. Lever L4 - Glide55mm Round Rose. Lever L5 - Accession55mm Rose. AS1428.1 Compliant. Lever 28 - Hakea55mm Round Rose. Lever 29A - Acacia55mm Round Rose. Lever 34 - Saltbush55mm Round Rose. Lever 37 - Gidgee55mm Rose. AS1428.1 Compliant.