180 Degree Glass-to-Glass Hinge Features: Hidden Screws for uniform design appeal. Solid brass construction 90 degree in and 90 degree out The dimensions 56*91mm Standard two hinges will hold up to 100 lbs. (45 kgs) All moving parts (pins and springs) in stainless steel Self-closing from 30 degrees of closed position Finishes: Polished Chrome Satin Chrome Pearl Chrome Polished Gold Brushed Gold Polished Rose Gold Brushed Rose Gold Gun Metal Grey Satin Nickel Matte Black White Custom finishes are available on request