For interior or exterior use. For smooth or rough surfaces. Use with oil or water-based paints, stains, urethane finishes, and sealers. Threaded handle fits most extension poles. Flexible handle for comfort and control. Model No. 00740C (SKU 792761) accepts refill model No. 00610C (SKU 786037). Model No. 00745C (SKU 771043) accepts refill model No. 00630C (SKU 786000).