Mul-T-Lock Cronus High Security Grade 2 Single Cylinder Dead-Bolt w/Thumb Turn 2-3/8 or 2-3/4 Adjustable Backset for Commercial and Residential Metal Or Wood Doors (Stainless Steel) - Amazon.com
Deadbolt Cylinder, For Schlage/Arrow Single Cylinder, Brushed Chome, 248BP-KIDSH-26
Mul-T-Lock INTERACTIVE Cylinder 66mm CAM Thumb-Turn Knob Euro Door Security Lock | eBay
High Security Store Front Door 1 Inch Mortise Cylinder, Mul-T-Lock 206SP-MOR0C01-26 - Doorware.com