Sterling Senior One-Shot Seal locks like a padlock and can replace a lock costing up to 10 times more, according to the company. The single-use seal snaps shut, and only a bolt cutter is needed for removal. The device has a 5/16-inch diameter shackle and an overall outside diameter of 23/8 inches. Zinc plating on steel aids resistance to corrosion. Options include serializing, color-coding, date-stamping, and hardened shackles.
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