Tell Manufacturing DB2051 single cylinder deadbolt are designed for superior security with a saw-resistant bolt with a 1-in throw. This single cylinder deadbolt can be locked or unlocked by a key on the outside, or the thumb turn on the inside and comes in a satin stainless steel finish. The cylinder is a 6-pin solid brass key way, keyed different and comes with two keys. They can be used in new construction or replacement hardware and will fit into a standard 161 door prep. Commercial single cylinder deadbolt Complies with ANSI A156.5 grade 2 with 150,000 cycles Adjustable backset and easy to install Fits a standard door prep Collection Name: Deadbolt Color/Finish Family: Stainless steel Hardware Finish: Satin Manufacturer Color/Finish: Satin Stainless Steel Series Name: Heavy Duty DB2000 Type: Single Cylinder Backset Size: Adjustable Bore Size: 2-1/8-in Edge Bore Size: 1-in Fits Door Thickness: 1-3/8-in to 1-3/4-in ADA Compliant: Yes Commercial/Residential: Commercial For Use with Entry Door: Yes For Use with Mobile Homes: No Keyway: C Material: Brass Number of Cylinders: 1 Package Quantity: 1 Re-Key Technology: Traditional Security Grade: Grade 2 Style: Traditional Warranty: Limited lifetime CA Residents: Prop 65 Warning(s): No UNSPSC: 31161600