Seed (nails) from 7.9 to 14 mm
If with a blunt shaft they make more grip in the wood
Decorative upholstering nails
They can be planted around the perimeter of the fabric as a decoration
belt
Jute tape width 8.5 cm
Springs
They can be made of brass, coppery iron. Brass does not oxidize. They are biconical
Sewing twine
It serves to fix the springs and some canvases
String for stringing
Hemp rope of minimum density 600g/sqm
Strong canvas and upholstery fabric
These are jute fabrics. 380g/mq strong canvas and 260g/mq filling fabric
jaconet
Cotton canvas used to cover the springs
Upper white canvas
Special fabric with very dense weave
Vegetable hair
Derived from palm or coconut plants. Vegetable fibers are carded.
Animal hair
The most prized is derived from the horse. The cow one is less expensive.
Cotton
Used as a padding between the white canvas and the final fabric.
Leather
It can be crust, harder, or flower, which in addition to being softer to a more homogeneous coloring.
