Whatman WB100039 Harris Uni-Core Punch, 3.0 mm, 4 Pack

Uni-Core Punch is a disposable punch which has a polished steel tip that is case-hardened and can be sterilized. Each tip provides up to 500 punches before disposal. Uni-Core Punch is available in diameters from .35 to 12.0 mm for a variety of sampling needs. It is housed in a plastic handle and disposable for contamination control. Manual punching is preferred for laboratories with low sample volumes punching 1 to 5 samples per day.

Features:
Designed for use with Whatman FTA Cards, FTA Elute Cards, and EasiCollect device.
Capable of up to 500 punches.
Multiple diameters ranging from .35 to 12.0 mm in plastic housing for sample punching versatility.
Stainless steel cutting edges enable manual coring, retrieval, and controlled ejection of the FTA punch.
Disposable to minimize contamination and carryover between samples when a cleaning procedure is followed.