Features:_x000D_ _x000D_ The whole hinge structure is stable, durable but not loose. _x000D_ Middle of the hinge is a cold rolled steel block with stable structure and smooth switch. _x000D_ Thickened and stiffened hinge greatly improved durability. _x000D_ Internal roller track design, smooth and mute when use. _x000D_ 180 Degrees opening angle that two plates can be overlapped. _x000D_ Suitable for folding doors, folding tables and other furniture. _x000D_ _x000D_ Specification:_x000D_ Color: Silver_x000D_ Material: Zinc alloy, CRS(Cold Rolled Steel)_x000D_ Size option: XS, S, M, L_x000D_ Bearing: 6KG, 9KG, 10KG, 20KG (According to the different sizes)_x000D_ Weight: approx. 31?137g_x000D_ _x000D_ Package List:_x000D_ 1 x Hinge 1The whole hinge structure is stable, durable but not loose. 2Middle of the hinge is a cold rolled steel block with stable structure and smooth switch. 3Thickened and stiffened hinge greatly improved durability. 4Internal roller track design, smooth and mute when use. 5180 Degrees opening angle that two plates can be overlapped.