central lock system

1) Dia. x L: 16.8x 20mm
2) Material: zinc alloy
3) Finish: nickel /black plated, or customize
$0.3/pc
widly sold all world
Specifications:

1) Cylinder dimensions (Dia. x L): 16.8 x 20mm
2) Material: zinc alloy
3) Finish: nickel plated, black plated, or customize
4) With click sound
5) Accessories:
a) 2 keys
b) 1 aluminum bar: 500mm or 600mm;
c) 1 rosette
d) 3 pegs: 10mm (B001) or 8mm
e) 2 bar guide (B002);