北京Spring hinge
number
Slingshot height
Slingshot length
Tooth width
Total width
北京Spring ferrule
number
Flat width
Flat length
Slingshot width
Slingshot width
北京Patterned flat needle
number
Flat width
Flat length
Flat thickness
Tail needle diameter
北京Hinge hinge
number
Slot width
Total width
Total height
Total length
北京Ordinary ferrule
number
Flat width
Flat length
Flat thickness
Hinge width
北京Plastic hinge
number
Tooth width
Slot width
Total height
北京Metal hinge
number
Hinge width
Hinge height
Slot width
北京other
number
Tooth thickness
Tooth width
Total height
