IPU1009 Features: * Precision machined surface * Hard surface tension * Perfect for curved sanding * Flexible * Dura-Block 11"" Tubular Sanding Block Color/Finish: * PatentedThis is the "Round" style block. Used to sand and block highly curved surfaces. L-11", Thickness 1-1/4" Uses 9" X 11" sanding paper. Perfect for those hard to get contours, inside and outside curves and areas which cannot be finished with standard flat pads. Its hardness and flexability allow for a smooth flat surface. Warranty: * Lifetime warranty does not cover abuse