HOPPE aluminium handle set on rose with escutcheons for interior doors:

Tested to DIN EN 1906: 37-0140A, handle set for commercial applications
Bearing: loose door handles, non-handed spring cassettes, maintenance-free slide bearing
Connection: HOPPE Quick-Fit connection with HOPPE solid spindle (spindle - receiver components)
Base: nylon
Fixing: concealed, multi-purpose screws