Global Door Controls Sunset Style Commercial Passage Knob in Brushed Chrome Door thickness: adjustable 1 3/8 -Inch-1 7/8 -Inch: Backset: 2 3/4 -Inch: Strike: ANSI 1 1/4 -Inchx 4 7/8 -Inch curved lip Keying: schlage 6 pin keyed six KA2: Key: 2 six pin nickel plated: UL listed ANSI A156.2 grade 2 Construction: Steel, zinc dichromated resists corrosion, heavy duty spring cage Latch: 5/8 -Inch projection stainless steel 3 hour UL; Bore: 2 1/8 -Inch hole retrofits all grade 2 cylindrical locksets Brushed chrome finish