Corona Razor Tooth Raker Saw, 21 Inch, RS 7160 SELF-CLEANING RAKER TOOTH PATTERN: Keeps blade clean so you can continue cutting without having to stop to clean sap off. IMPULSE HARDENED TEETH FOR LONG SERVICE LIFE: Extends the life of the tool season after season. FOR LARGER BRANCHES AND LIMBS: 3 sided razor teeth with 21" blade. TEMPERED-STEEL ALLOY FOR DURABILITY: Will not bend or break while cutting large branches and limbs. PRECISION-MILLED, LAMINATED WOOD HANDLE: D shaped handle provides a comfortable cutting grip.