【High Quality】They are nice and solid heavy duty door bolts that secure nicely.Bolts finish to be zinc coated which should help resist rust,can work well indoors or outdoors. 【Widely Use】Spring Bolt are great for shed doors, gate doors, playhouse doors, sash hold-open,or any other building project.Typically, pair is used per door, with bolt at the top, and another at the bottom.
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