The 2.0mm Harris Micro-Punch® with cutting mat is the precise punching of FTA™ cards. No sample carryover when recommended procedures are used. This tip provides up to 2000 punches. The polished steel tip is case hardened and can be sterilized. The cutting mat ensures clean sample cuts and extends the life of the cutting tip. This 2.0mm Harris Punch™ 2.0 mm punch is recommended for use with FTA™ Cards containing buccal cells, plasmids, plant, and other samples with lower DNA content. Cutting mat is included. 1/Pack. Whatman™ #: WB100007.