Olympus 721DW IC Core Deadbolt Cabinet Drawer Lock BEST SFIC Optional Cylinder Length Satin Chrome Optional Key Retaining Optional High Security Grade 1 Key Retaining:Key Retaining Function Inside Lever Always Unlocked Handing Inside Lever Always Unlocked Handing Non Handed Door Thickness 1 5 8" to 2 1 8" (41 to 54 mm) Faceplate Size 1 1 8" x 2 1 4" Cylinder 6 Pin Patented Everest 29 Keyway Schlage C KD Backset 2 3 4" (70 mm) only Bolt 1 2" throw via Oil Impregnated Stainless Steel Latch NOTE: Refurbished OEM might come in after market shell 721DW deadbolt drawer lock making it the preferred choice of institutional locksmiths