Material:Stainless Steel Grade 304, other Grades 201/316 are workable.
Size: 19mm, 20mm, 22mm
Base: Stainless steel Grade 304/201/steel/plastic.
Escutcheon: Round/Square/Oval Shape/Rectangle Shape
Spindle: Steel with zinc plated 8*8*100/110mm as standard, others are workable upon request.
Spring: Strong high strength,minimum 2.5mm.
Set screw: Grub screw 6mm
Finish: Satin Stainless Steel(SSS), Polish Stainless Steel(PSS), Satin Chrome (US26D), PVD
Specification conforms to Standard: En1906-2003
Usage:Wood Doors/Metal Doors/Aluminum Doors.