Compare Simplex 1000 Series Knob Lock, 2-3/4" Backset, 1/2" Latch, No Key Override, Satin Chrome Finish Dormakaba Now: $392.40 Was: Simplex Mechanical Pushbutton Locks eliminate problems and costs associated with issuing, controlling, and collecting keys and cards. The Simplex 1000 Series provides exterior access by combination,... KAC-1011-26D-41 Now: $392.40 Was: Compare Qty in Cart: 0 Price: Now: $392.40 Was: Subtotal: