The Concept ribs are complementary pieces that are included in the kit to assemble the Concept model drawer and complete its assembly. They are mounted on it by means of screws, which are placed in the front and rear parts of the piece. Their installation It is simple and can be carried out without prior preparation. The piece is made of steel, so it provides great support, stability, and durability to the drawer. It is finished in anthracite gray. This has a height of 138mm, is located on the left side of the drawer, and has a depth of 350mm. Each package has a total of 20 units.