VP4
A hypodermic stainless steel tube of external diameter 0.8mm.
The length is normally 30mm or 80mm.
Separation of fibre centres is 0.25mm.
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VP4 needle probe
A hypodermic stainless steel tube of external diameter 0.8mm.
The length is normally 30mm or 80mm.
Separation of fibre centres is 0.25mm.
VP4 needle probe