Richelieu 4-1/2" Full Mortise Adjustable Spring Hinge.
A spring mechanism with adjustable tension allows the door to close automatically.
Each hinge comes with 8 #9 x 1" flat head Phillips/square drive wood screws and 8 #9 x 1/2" flat head Phillips machine screws.
UL listing: Meets UL Grade 1 standards.
Corners: Square
Color/Finish: Brushed Nickel
Height: 4 1/2 in (11.43 cm)
Width: 4 in (10.16 cm)
Thickness: 3.4 mm (9/64 in)
Material: Steel
Safe Working Load: 45 lb (20.41 kg)
Packaging format: Box of 2