【KUBOTA】クボタトラクター用耕うん爪 RL1402A, RL14A, RL1403A, RL1351A, RL4A, RL4AK, RL4AK-2, RL14AK, RL145AK, RL4AG, RL140AG, RL140AR用[東亜製 ゴールド爪]