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There are various styles of commodity safers, with and without needles.
Operation mode of needle safer:
Align the lock cylinder position of the protection box with the concave point of the nail extractor. After the nail extractor is sucked, the steel needle can break free and open the protection box.
Operation mode without needle safer:
Align the lock cylinder structure of the protection box with the concave point of the nail extractor. After the nail extractor absorbs it, gently move the protection box to the left to open the protection box.
中国 safer manufacturer www.tractility.com offers protection box.