Rotary 12919 Blade 21.425" X 0.675" Fits John Deere by Rotary $33.70 Save -51% 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart PRODUCT INFORMATION Type Blade PRODUCT DESCRIPTION DESCRIPTION Copperhead Mulching Blade fits John Deere 21.425" X .150 X 2-1/2" X .675. (See Rotary 10635). Requires 2 blades for a 42" cut. FITS MODELS JOHN DEERE L100, L100-L118, L105, L107, L108, L110, L111, L118, L17.542, L1742, 14.542GS, 14.542GS Sabre, 1642HS, 17.542HS REPLACES OEM JOHN DEERE GX20249, GX20433 SPECS THICKNESS 5/32" C. H. DIA 43/64" WIDTH 2-1/2" LENGTH 21-27/64