Medium-Lift Blade / Walker 5705-3Pack Size:1Lesco 050565, Walker 5705-3, Walker 5705-4Aladdin UWA4, Dealer Choice 50-3360, Edgewater 157720, Green Line 34961, Green Meadow UWA4, J. Thomas WA-346RH, Laser L1461, Laser 91025, Landscaper Express 2243, Landscaper Express 2244, Landscaper Express 6413, Landscaper Express 6414, Landscaper Pro UWA4, Mow More WA22R, NHC WA3401, Oregon 91-913, Prime Line 7-04964, Ratio Parts 30-683, Rotary 3446, Rotary 15-3446, Sunbelt WA-3401, Sunbelt SB-3446, Sunbelt B1WA3401Walker Requires 1 of 355-024 and 1 of 355-032 for 42" deckLength: 22 ", Center Hole: 5/8 ", Outer Hole: 3/16 ", Center To Center: 3 ", Width: 2 3/4 ", Requires 1 of 355-024 and 1 of 355-032 for 42" deck; 3 for 54" deck; right hand, Rear discharge, Thickness: .203 "