Kwikset 980S Single Cylinder Deadbolt with New Chassis with RCAL Latch and RCS Strike Round Corner Adjustable Deadbolt, 2-3/8" or 2-3/4" Backset3-5/8" Round Corner Deadbolt Strike5 Pin Cylinder2-1/8" or 1-1/2" CrossboreNAKwikset Pin & Tumbler3-1/2" Diameter; 1-3/20" ProjectionAt Kwikset, We Believe People Shouldn’T Have To Settle When It Comes To Home Security. And The Best Security Is Smart Security. The Kwikset Signature Series 980 Deadbolt Is Both Tough And Attractive.Features Adjustable Latch & Deadbolt To Fit All Standard Door PreparationsBhma/Ansi Grade 1 Certified Deadbolts – The Highest Level Of Residential SecurityAdd To A Keyed Knob Or Lever For Additional SecurityLifetime Mechanical And Finish WarrantyLimited Lifetime Mechanical and Finish Warranty