The Biloba 8010 JC is suitable for outer doors, in addition to the usual hydraulic features, they have a zero point adjustability and a completely anodized inner body. The special deep oxidation (20 micron) and the coating of the entire surface with covers made of stainless steel AISI 316 are very highly resistant to corrosion, more than 500 hours in acetic acid salt spray (according to UNI ISO 9227 AASS Acetic Acid Salt Spray) without showing any sign of imperfection.