Check the listing for details. 3d printed Skeg replacement for Intex kayaks - Intex Part number: 12181. Condition: New. Listed at 20.00 USD. Standard directional skeg, reverse engineered and 3d printed. Design is not an exact copy of the Intex 12181 skeg, but does fit and function like the original. SKEG ALO INCLUDES A HOLE NEAR BASE TO ALLOW TETHERING TO KAYAK! Skeg is made from PLA material which is more brittle (not as much bend before break) than the standard Intex skeg. Care should be taken during transport and while in use.Compatible with: Challenger K1 Kayak (68305EP), Challenger K2 Kayak (68306EP), Explorer K2 (68307EP), Excursion Pro Kayak (68309EP)Manufacturer part number: 12181ALSO NOW AVAILABLE TO ADD TO ORDER IS A BOSTON VALVE EASY-OFF TOOL DEVELOPED SPECIFICALLY FOR INTEX INFLATABLE KAYAKS! See video in listing and link to specific Ebay page for Easy-Off tool onlyhttps://www.ebay.com/itm/204103883170