50 µL Glass Conical Limited Volume Insert, 4x25 mm, with Bottom Spring

This limited volume insert is made of borosilicate glass and features a precision-formed mandrel interior provides complete sample extraction.  The polymer bottom spring acts as a shock absorber that protects against breakage if the needle bottoms out.  Sample capacity of 50µL, 4mm in diameter, and 25mm in height.  Insert is compatible with our standard opening vial.