Five Knuckle Hinge Ligature Resistant No Mounting Flush Bearing Type Ball Pin Type Barrel Finish Satin Nickel Height 4 in Width 4 in Leaf Thickness 0.13 in Pin Dia 0.5 in Holes per Leaf 4 Corners Square 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