no need ladder again The bristle brush can be directly attached to the extension rod, and the length of the rod can be adjusted according to needs, which meets the needs of working with objects of different heights and saves the trouble of using ladders 90 degree angle The curvature can be adjusted as needed to facilitate wall operations at various angles Strong Bristles The large paint brush with a strong bristle brush .Great quality of blended filaments with no falling off more paint hold 40% than general paint brush.