Ink Station Color:Caribbean Ice They do fit in the

They do fit in the Double Base and Triple Base equally well though

Diameter of holes is 9

Curved Side - Great for round bottles

or operate vacuum plunger

secure home for your ink bottles to rest in without tipping over

Ink Station Color:Caribbean Ice They do fit in theThe Ink Station from Pengineer3D is your helping hand when filling up your pen. Filling up a pen needs three hands: one to hold the pen steady, one to turn the converter, piston, or operate vacuum plunger, etc, and one hand to hold the bottle securely to keep from spilling. The Ink Station is that third hand! Ink spills are now a thing of the past. Not only does the Ink Station securely hold your bottle, it is also the best way to get every last drop