Five Oceans Marine Stainless Steel Sliding Door Mortice Lock Set Latch FO-2240 KEYS Included: Three (3) DOOR THICKNESS: 3/4" (19mm) ~ 1 1/2" (38mm) DEADBOLT TYPE: Extended (comes with matching strike) MATERIAL: AISI316 Stainless Steel (All Marine Materials) VERTICAL KEYWAY: This mortise lock has a vertical keyway position when in the locked position Handle Style: Smart Deadbolt Type: Extended (comes with matching strike) Mounting Option: Surface Door Thickness: 3/4&#034; (19mm) ~ 1 1/2&#034; (38mm) Keys Included: Three (3) Material: Stainless Steel (All Marine Materials) Vertical Keyway: This mortise lock has a vertical keyway position when in the locked position.