Genuine Factory Parts Mulching Blade for 21-inch Cutting Decks Size:21" Fully submersible

Fully submersible

rust resistant stainless steel spring

Width between outer connections to middle connections is 4 inches

It causes the fuel to burn much cleaner

Makes it easy to dissolve uncured GREAT STUFF PRO from the valve

Genuine Factory Parts Mulching Blade for 21-inch Cutting Decks Size:21" Fully submersibleMulching blades are ideal for finely cutting grass clippings into recycleable material to ferilize your lawn Fits Walk Behind, Push and Self Propelled Mowers with a 21 inch Cutting Deck, (1995 ) For Troy Bilt, Cub Cadet, MTD, Craftsman, MTD Gold, Bolens, White Outdoor, Murray, Snapper, Yard Machines, Yard Man and Huskee. Fits Cub Cadet CC469, CC989, CC997ES, PR521, S621, S621SS, SC621, SC621E, SR621, SRC621, SRE621, CC439, CC949, CC94M, CC98M, PR521,