1. Material: steel or stainless steel 2. Hinge type: square butt hinge, with square corner or radius corner 3. Bearing: with or without ball bearing, with or without washer 4. The standard size available as following: Length Size 5. Surface finish: Surface art. Details Orb Oil rubbed bronze Ac Antique copper Ab Antique bronze Pbp Polished brass plated Bsn Brushed stain nickel Bss Brushed stainless steel Pcp Polished chrome plated Pss Polished stainless steel Bzp Bright zinc plated 6. Fixing: with or without countersunk flat head wood screw in steel or stainless steel.