Mulching Blade / Cub Cadet 759-3829Pack Size:1Cub Cadet 759-3829, Cub Cadet 742-3032Dealer Choice 50-2616, NHC 212-0192, Oregon 91-057, Rotary 11477Cub Cadet 2315 and 2146; requires 2 for 38" deckLength: 19 3/8 ", Center Hole: 3/4 ", Outer Hole: 5/16 ", Center To Center: 2 1/2 ", Width: 2 3/4 ", Requires 2 for 38" cut, Thickness: .187 "