Brushed Chrome Finish sliding door lock supplied keyed different; type 300SD (US26D) D4291 keyway, 4 pin standard Pin tumbler cylinder drilled for 5 pin. For material thickness: 7/8". Barrel diameter: 1". Keying Options: Available keyed different (KD) - Standard, Keyed Alike to stock key codes - (4 available) Keyed Alike to Custom key codes/sets (Factory Order, ships 2-3 business days). Quick ship - keyed in-house (ships in 1-2 days).