Lockwood Velocity Series Small Square Rose Door Handles 55mm square 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 Square Rose. Lever L2 - Spire55mm Square Rose. Lever L3 - Element55mm Square Rose. Lever L4 - Glide55mm Square Rose. Lever L5 - Accession55mm Rose. AS1428.1 Compliant. Lever 28 - Hakea55mm Square Rose. Lever 29A - Acacia55mm Square Rose. Lever 34 - Saltbush55mm Square Rose. Lever 37 - Gidgee55mm Rose. AS1428.1 Compliant.