Check the listing for details. T.art Products Slotted bobbin Red. Condition: New. Listed at 10.15 USD. Red Anodised T.art products slotted bobbin . weighing only 10g. Subtle T.art engraving in the bottom . Dimensions -30mmx15mm These accommodate a 3x15mm isotope . A piece of 4mm tubing will be provided to protect the isotope . A 3x20mm isotope may be used but ensure threads on chains and line clips are not too long they will break the isotope. Machined radial slots all around the bobbin ensuring the isotope can be seen from any angle . thread is 2ba to accommodate the most popular of chains and swinger arms on the market. Condition is New price is per bobbin . Any questions feel free to message us . Check out our other products for matching handles and different styles of bobbins . Colours available are - Dark green Light green Gun metal Purple Black Red Blue Copper Orange