30" Pintube Holder (0.139" & 0.236")

Pintube Holders: 30" holder- holds 0.139" & 0.236" Pintube (3.5mm & 6.0mm) The 30" holder is used by precious metal samplers and others where the sample is taken directly from a small steep-walled furnace and crucible. The Pintube is held close to vertical.