Genuine Factory Parts Mulching Blade for 21-inch Cutting Decks Size:21" Makes it easy to dissolve

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

Fully submersible

Width between outer connections to middle connections is 4 inches

Electronic Clutch for Kickback Protection

rust resistant stainless steel spring

Genuine Factory Parts Mulching Blade for 21-inch Cutting Decks Size:21" Makes it easy to dissolveMulching 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,