Red Devil 4701 Putty Knife/Spackling Knife, Metal Blade Promotional quality plastic putty knives, scrapers and adhesive scrapers. Red Devil 4701 Putty Knife/Spackling Knife, Metal Blade Features: 1 1/2 (3.8 cm) Labeled Shatterproof injection-molded handles and precision-fitted blades Designed for the do-it-yourselfer Stiff blade 1-1/4"