Angled, computer-designed solid polypropylene handles with hang hole are shaped to fit human hands, to provide extra leverage, and to keep knuckles safely away from work surface. Blade/surface angle for paint scraping efficiency. High-carbon steel blade with 4 scraping edges, and pull-knob grip with metal insert to set nails. Use No.11130 or 11135 Hyde 4-edge 2-1/2" replacement blades.