Steelworx Astoria Door Handle - SWL1006DUO

The Astoria lever 

Product details:

• Steelworx range by Eurospec.
• Internal or external use, except marine/coastal environments.
• Residential and commercial use.
• Grade 304 solid Stainless Steel.
• Sprung lever.
• Screw on rose.
• Dual bright/satin stainless steel.

Product dimensions:

• Rose - 52mm diameter x 7mm (depth).
• Lever length - 135mm.
• Projection - 62mm.

Supplied without locks/latches, which do I need for these door handles?