Hi-Lift Blade / Lawn-Boy 612543-03 Pack Size:1 JOHN DEERE PT7132, JOHN DEERE PT14764, LAWN-BOY 683682, LAWN-BOY 611240, LAWN-BOY 612543, LAWN-BOY 612543-03, LAWN-BOY 608094, LAWN-BOY 682915, LAWN-BOY 89844, LESCO 050068 ALADDIN ULB11, ALADDIN UGAT34, DEALER CHOICE 50-2975, EDGEWATER 155045, ESF 114-664, FOLEY/BELSAW 5978619, FOLEY/PLP 114-664, GREEN LINE 34814, GREEN MEADOW ULB11, J. THOMAS LB-849, KWIK-FIX 814664, LASER L1973, LASER 91386, LASER 91463, LASER 91465, LANDSCAPER EXPRESS 22211, LANDSCAPER EXPRESS 231019, LOWE"S 230601, LANDSCAPER PRO 22211, MOW MORE LB21, MOW MORE LB21A, OREGON 92-011, PRIME LINE 7-04439, QUALITY 120641, ROTARY 849, ROTARY 15-849, SUNBELT SB-849, SUNBELT SB-92901, SUNBELT LB2300, SUNBELT B1LB2300, SUNBELT B1SB1057 Lawn-Boy 21" models; JOHN DEERE 21" commercial walk behinds without blade brake clutch S/F: Formed , Center Hole: 5/8 ", Length: 21 ", Center To Center: 2 9/16 ", Width: 3 ", Thickness: .134 ", Outer Hole: 1/2 "