Rockwell Premium 200 Series Single Cylinder Handle Set for 5-1/2" CTC Bore durable door handles, door hardwareThis innovate, durable, product is, high quality and an exceptional value for your security and peace of mind. At Rockwell we build a wide spectrum of the finest exterior door locks, swing and sliding door hardware, door hardware, pocket door hardware, and hinges for both residential and commercial applications. We stand behind our products with our Rockwell Guard lifetime finish you will be guaranteed an extended life of magnificence and brilliance. We are based out of Northern California and have a state of the art ISO 9000 certified manufacturing facilities world wide. includes; ANSI Certification: Grade 2 Door Thickness: 1-3/4" Handle Style: Grip Latch Faceplate: Square Corner Mount: Single Piece construction fits 5-1/2" center to center Interconnected: No ADA Compliant: No UL Listed: No Keyway: SC1 with 2 Solid Brass keys Strike: Square Corner Strike size: L x W: 1.25" x 2.25" Deadbolt Throw: 1" Keys: 2 Wide Bow Keys Material: Forged Brass Projection: 3.2" Lever Style: Mushroom Knob Lock Type: Residential Keyed Entry