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Our black aluminium bobbin kits are available in 4 different sizes and are fitted with stainless steel ball clip, 6 inch or 9 inch black chain and hockey stick along with alignment o rings. Price is for one kit only.

All fittings are M5 thread.


Small - 7.5g – 13mm x 24mm

Slim - 10g - 13mm x 32mm

Medium - 14g – 15mm x 32mm

Large Black - 20g - 18mm x 32mm - The large size also have an isotope slot in the back, which take our 2x12mm isotopes.


Additional bobbin weights available here


If you would like engraving please add in the box what you would like, If it is an image please select image and send an email to with the image included.


Custom engraved products are non-refundable and have a 2-3 day turnaround.