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Best 9K30N-15-D-S3 Grade 1 Passage Cylindrical Lock
Vandalresistant
303DS: D - Dark Bronze Anodized Aluminum with Silicone insert
ANSI F20 - Entrance - Latchbolt retracted by lever from either side unless outside is locked by 20° rotation of thumbturn
1688 Drop Plate Finish:Brass Best 9K30N-15-D-S3 Grade 1 PassageNorton 1688 1688C Drop Plate, Overhead Holder or Narrow Top Jamb For use where a overhead door holder prevents normal top jamb mounting. This places the center line of the arm mounting screws at 3 1 2" (89mm) from the top of the door. For use where a narrow top rail prevents the closer from being mounted directly to the door surface. This drop plate can be used to mount a closer on a top rail as narrow as 3 1 8" (79mm) in height for 1600BC or 2 1 8"
