Five Knuckle Hinge, Ligature Resistant No, Mounting Flush, Bearing Type Ball, Pin Type Barrel, Finish Satin Chrome, Height 4 in, Width 4 in, Leaf Thickness 0.13 in, Pin Dia. 0.5 in, Holes per Leaf 4, Corners Radius 1/4 in, Material Steel, Load Capacity 150 lb, Color Silver, Frame Leaf Length 4 in, Frame Leaf Width 4 in, Door Leaf Length 4 in, Door Leaf Width 4 in, Door Thickness 1-3/4 in, Pin Material Steel, Range of Motion 270 Degrees , Hardware Yes, Standards ANSI/BHMA A156.1, A156.7, A156.18