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Semoptics creates special tweezers which are used to pick up stubs without contaminating the specimen. These tweezers are most useful when used in conjunction with gunshot residue kits, as their rounded ends form perfectly around the stub's groove(Top right picture). The specimen tweezers are made in many different sizes to accomodate the different sizes of stubs. Special stubs can be made as well for use with the tweezers. |  |