Nichel plated opening rings for samplers

We suggest opening rings for metal bindery for samplers, available in different formats. 

The rings with circular or pear form have the possibility to close with a screw and consent a total opening of the bindery.The facility of opening,closure and block guarantee the maximal functionality and resistance in time even with material such as leather and tissues.  

Available in different diameters, they are realised in nichel plated iron and it makes it shiny for a long time, resistant to scratches and opacity, thought for an intense use of the product.