Wanhao Duplicator i3 Filament spool holder with ball bearings
Description
Fits several filament rolls with different inner diameter. Thanks to the ball bearing design even larger inner diameter rolls will roll quite effortless :) Holder part (excluding threads) 76mm length and 19mm diameter The filament spool holder should be used together with the metal bracket that comes with the Wanhao i3 duplicator, but it could perhaps fit other spool holders aswell as long as you have the bigger nut to attach it with (comes with the wanhao i3). I can add the missing but if you request it. You should add 10 metal balls 4mm diameter to provide the bearing layer towards the outer tube. I bought mine cheap from ebay.
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