Make sure this fitsby entering your model number. 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 ERGONOMIC, non-slip D-handle designed, D shaped handle provides a comfortable cutting grip