5-3/8", 78 Teeth Steel Cordless Saw Blade, 5/8" Arbor, Designed For Cutting Paneling, Plastics, Vinyl Siding, & Other Thin Materials, Alternate Face Bevel Teeth Grind Provides Sharper Cutting Edge, Ultra Thin Kerf Blade For Fast Cutting, Anti-Stick Coating Reduces Friction & Gum Up, Professional Quality Cordless Ultra Thin Kerf Saw Blades Specifically Engineered To Optimize Cutting Performance & Maximize The Number Of Cuts Per Charge Of All DeWalt 5-3/8" & 6-1/2" Cordless Saws.