Fixed angle: the swivel angle can be adjusted and the set angle can be maintained. value: the hinge comes with the nominal strength. Calculate the required before purchasing. value (Nm) = length of the door (m) divided by 2 x weight of the door (kg) x 9.8 material: it is made of zinc alloy and steel. The is galvanised and does not fall off easily. The rotation range is 0-180 degrees and can be rotated 16,000 times. Seamless mounting: stainless steel hinge mounting hole diameter: M4.8, mounting hole spacing: approx. 17.8 x 28 mm / 0.7 x 1.1 inches. Use: suitable for industrial machinery, mounting glass doors, etc. Mainly for cabinets, tables, doors and etc., easy to use., Manufacturer: Hililand