This is made with a hand mixed Blue Pearl resin and has Walnut branch sections set within.
Once turned, it has been given a gloss glazed finish
The hardwear is Antique Copper Twist style.
Related refills:
https://www.ebay.co.uk/itm/224190584859?var=&ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649