Is this a 10mm or 14mm oil rig? Please help!

Discussion in 'Bongs, Dab Rigs, Bubblers, Water Pipes' started by zachroth9, Mar 19, 2016.

  1. I need to buy a new nail for my oil rig, and can't tell if it's a 10mm rig or 14mm rig. Here are pictures with size comparisons. Both rigs pictured are the same size, just can't tell if it's 10mm or 14mm. Thank you. Lighter/ruler/thumb in picture are for size comparisons.

    Attached Files:

  2. the 2nd picture is better
  3. Looks to be 14mm to me.
  4. 14mm

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