Features: Engineered with high grade ceramic coating, these 1.8 3.0mm magnetic fishing rod guides reduce line friction by 50% for enhanced durability and smoother casting performances in saltwater or freshwater environments. Featuring precise designed 0.12 0.3mm inner diameters and stainless steel frames, these guides ensures optimal line compatibility while minimizing rod weight for effortless handling. Ideal for avidly anglers, tournament competitors, and outdoor enthusiasts seeking reliability, low maintenance upgrades for their surfcasting rods or versatile fishing setups. Perfect for fishing expeditions, or kayak based adventures, these resistant guides withstand harsh marine conditions while maintaining peaks performances. The innovative quick grooves systems enables tool installation within seconds, making these ceramic guides fishing for urgent tackle repairs or spontaneous fishing trips. Specifications: Component: Alloy Size: diameter: 0.18cm, 0.2cm, 0.22cm, 0.24cm, 0.26cm, 0.28cm, 0.3cm Properties: 50 sets of magnetic rings Applicable scenarios: outdoor sea fishing Package Includes: Black guide rings x50 note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.