Emtek Bronze Fluted 3 Inch Finger Knob - 86228 Finish:Flat Black Backset: 2-3/8 inch (60mm) -

Backset: 2-3/8 inch (60mm) - distance from edge of face plate to center of lock handle

DUMMY LEVER: Single dummy trim for one side of door

Auxiliary latch deadlocks latch bolt when door is locked

Internal Cubic Feet: 10

Emtek Bronze Fluted 3 Inch Finger Knob - 86228 Finish:Flat Black Backset: 2-3/8 inch (60mm) -Model: 86228 Demension 3" Proj. 1 5 8 " Material Solid Cast Bronze Screws 1 8 32x1" and 1 8 32x1 1 4" Emtek covers it's door hardware with a 5 yr finish and mechanical warranty. Living finishes are not covered under this warranty as they are designed to change over time. For more information see Emtek Door Hardware Warranty.