Lugar de origem
Guangdong, China
Número do Modelo
metal spiral coil
usage
Binding notebook, book
Binding thickness
3.4mm to 42.8mm
color
eletroplated gold, eletroplated rose gold and so on
Size
1/4" 5/16" 3/8" 7/16"1/2"9/16"5/8" 3/4" 7/8" 1" 1-1/8" 1-1/4'' 1-1/2''
Binding with
by metal single coil binding machine
Pitch
5, 6, 6.35, 8, 8.47, 10mm