Red Devil 4704 Putty Knife/Spackling Knife, Metal Blade Promotional quality plastic putty knives, scrapers and adhesive scrapers. Red Devil 4704 Putty Knife/Spackling Knife, Metal Blade Features: 3 (7.6 cm) Labeled High carbon steel blade Shatterproof injection molded handles Designed for the do-it-yourselfer Flexible blade 3"