Standard Features:
(1) Two latches slide into existing slots in the Roll Up Door track
(2) Ensures a door can only be opened from the inside
(3) Come with padlock slots for additional security
(4) Simple and secure design
(5) Each latch assembly includes: one slide lock, one step plate, two hex bolts, two hex nuts, two 1/4 inch flat washers, and two nylon insert nuts.