• Keyed alike 51003
• N Series in Flat Black (equivalent to National D4291 4-pin or D4292 5-pin)
• Can be keyed together with other N Series in Flat Black locks
• Set screw cylinder release mechanism
• Key removable in locked or unlocked position; non-handed
• Key removable in locked position only; specify KL (left-hand) or KR (right-hand) when ordering
• Extends bolt 3/4" on both ends; specify -LB at time of order
• 4-pin standard

Included Accessories: 2 keys, 56-1 bar strike, Lock mounting screws