JAYO PA12-CF Nylon Carbon Fiber Filament, Superior Toughness, Low Moisture Absorption, Heat Resistant to 176°C, Durable & Precise Printing for Aerospace & Industrial Use 1kg Spool

Multi-pack bundles are the point — buying 4 or 10 spools at once brings the per-kg cost down sharply compared to individual purchases. Good for anyone running the same color through a lot of prints and watching their material budget.