COMPATIBLE WITH -12181 Skeg replacement Compatible with Kayak Boats-Challenger K1 Kayak (68305EP), Challenger K2 Kayak (68306EP), Explorer K2 (68307EP), Excursion Pro Kayak (68309EP) SIMPLE INSTALLATION: Replacement fin is easy and quick to install.Plug And Play. HIGH QUALITY MATERIAL - 100% brand new and high quality.With sturdy and durable performance and longer service life. Durable to wind and rain, sun exposure, and no fading! PACKAGE INCLUDED- 1 Pack Skeg replacement.part number 12181 NOTE:Please carefully check the product size to determine the suitable model for you.Please verify before purchasing that it is the part you need. 12181 Skeg replacement/replacement fin Compatible with Kayak Boats-Challenger K1 Kayak (68305EP), Challenger K2 Kayak (68306EP), Explorer K2 (68307EP), Excursion Pro Kayak (68309EP)