Office& school supplies book binding metal spiral

Product Overview

Description

metal book ring  with environmental SGS testing: Nylon coated,smooth and lustrous surface,strong adhesiveness,endure abrasion and humidity,be able to bear rusting ,eroding,and aging.

 

Material:  Innocuous material,which complies with the environmental safty standards of Occident.

 

Pull:  Stonge pull,stable shape and quality,low wastage.

 

Specification:1/4"(6.4mm)----2"(50.8mm)

 

Range:  Notebook,album,calendar and so on.