1. Material: stainless steel 201 or 304 2 .Model description: sprung or unsprung lever handle for doors 3.Shield plate or rosette construction: available with or without galvanized steel inner support 4. Manufacturing process: stainless steel tubing or stamping and then welded 5. Key hole: available euro cylinder hole / lever key hole / bathroom knob turn / without hole 6. Test: salt spray resting up to 200 hours (based on stainless steel 304 material ) 7. Function: suitable for interior or exterior doors 8. Supplied with bolt through and wood screw for fixing. 9. Socket on handle grip: available with brass or aluminum or steel for choice. 10. Popular surface treatment: Surface art. Details Sss Satin stainless steel Pss Polished stainless steel Pvd Pvd golden color on stainless steel