Starbrite Boat Cover Support Pole Tip 40035 by Starbrite $11.90 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Starbrite Boat Cover Support Pole Tip Only #74-40035 Attaches to all Starbrite Extend-A-Brush premium handles to make an adjustable support for boat covers. Constructed of unbreakable nylon.