Austyle Extended Striker Plate 59840 Strike Plate required for any passage or privacy set to latch. Strike Plate Function - a plate to which the latch-tongue or deadbolt-tongue will attach. It should sit flush with the door jamb. Deadbolts also require a strike plate to function effectively. Features: Used to protect latches from marking the doors when there is an extended jamb width Suits 85mm Austyle locks 60mm lip extension Specifications: Material: 304 Stainless Steel Door Type: Hinge Doors Door Frame: Timber and Aluminum Size: 85mm Finish: Black