These are used to contain and direct the parts to feed and orient by means of the Brovind circular vibratory bases. They can be supplied in “standard” version, made in AISI 304 stainless steel or polyamide, or customised based on special needs such as material (for example AISI 316 stainless steel) and dimensions (coil width, pitch, etc.).; They can also be coated with wear proof or oil proof materials.