99-08 HONDA TRX400EX With an extensive background of manufacturing axles and suspension components for automotive racing, DuraBlue used its vast experience to create the premier ATV axle and high performance suspension company that DuraBlue has become today. You can be assured that a DuraBlue product is the best available, anywhere and at any price. You can be confident that DuraBlue will be here to help you, as they have for the past thirty plus years. No company can make this claim. They guarantee it.High-strength steel nut is compatible with DuraBlue axles and cotter pins.Cap shape protects axle threads.Sold individually.Fits most axles.