Warner ProGrip Full flex applies to blades that have been hollow ground thinner for maximum flexibility. Designed for lighter compounds and higher application rates. Perfect choice for final or finish-coat applications. Ergonomic handle is wider and flatter, designed to fit the hand for use as a spreading tool and to reduce fatigue, design improves blade control. Ergonomic, color-coded soft grip handles, high-quality carbon steel blades, large hang-hole size.