Barton Marine Barton Manta/Odyssey 2 Land Sailing Mainsheet Block Kit - 3:1 [98099]Barton Manta Odyssey 2 Land Sailing Mainsheet Block Kit 3: 1 Upgrade or replace your current Mainsheet line hardware with the Barton class approved Manta Odyssey 2 Land Sailing Mainsheet Block Kit. Creates a 3: 1 mechanical advantage on the mainsheet line. Complete with all hardware and instructions. *Mainsheet line sold separately. Compatible With: Manta 2 Land Sailing vessel Odyssey 2 Land Sailing vessel In the Box: 1 x Ratchet Block (90500) 3 x