4-Pack Replacement Set for Multi-scenario Use: this set contains 4 black ABS bushing base posts (3/4 inch PIN seat base); Its multi-piece configuration fits needs like main use + backup or multi-seat replacement; No extra installation accessories are required; It can be directly replaced or added out of the box, covering demands for boat seat repair, upgrade or spare part storage
Standard 3/4 Inch Size: each base post measures 2.64×1.27 inches, designed to fit 3/4 inch PIN seat specifications; The standardized size aligns with most boat seat posts, so no extra sanding or adjustment is needed during installation; It fits closely and stays steady after being fixed, balancing versatility and adaptability as a replacement part
ABS Material: made of ABS, the bushing has high density and good toughness, with good wear resistance and anti-aging properties; When exposed to outdoor sun, rain or contact with seawater/freshwater for a long time, it is less likely to crack, deform or become brittle; It can bear seat weight and pressure from frequent rotation adjustments
Smooth Adjustment Stable Support: the bushing structure allows easy rotation and position adjustment of the boat seat, with smooth operation without jamming, which can quickly adapt to different sitting postures and usage needs; The ABS material also provides good shock absorption, reducing discomfort from hull bumps while enhancing seat stability to avoid shaking during use
Wide Application in Marine Scenarios: specially designed for marine use, it fits various vessels and seat types—including fishing boats, leisure boats, speedboats, inflatable boats, etc. It is compatible with 3/4 inch PIN seat boat seats, suitable for private boat maintenance, shipyard part replacement and water leisure equipment upgrade