One hand, secure, reproducible crimps/decrimps of 8, 11, 13 and 20mm vials with the push of a button Shop Fisherbrand Crimping Heads for Programmable Electronic Fisherbrand™ Crimping Heads for Programmable Electronic High Power Crimp Station: Autosampler Vial Caps and Closures Autosampler Vials, Caps, and Closures | Fisher Scientific