Very high quality mechanism that slowly pulls the door closed for a smooth silent movement. Individually bagged with 8pcs screws provided. Full overlay. diameter 28mm Cup. 90 degrees near the soft hinge. Suitable for 18mm cabinets. Easy adjustment for allignment of doors. Including: 4 pcs hingesk door kitchen cabinet; 32 pcs screws Qrity 4 Packs of Soft Slow Close Kitchen Cabinet Hinges Back Door Cabinets Door Hinges - No Port Mandatory - Easy to Install 90 Degree Kitchen Door Cabinet Hinges Nickel-plated steel Surface Steel Willow Nails Built-in iron-nickel Spring Weight: 70g