Crafted from high durability spring steel with black anti oxidation coating , this replacement part resists Erosion , wear , and deformation while maintaining precise elasticity for long term reliability Engineered to factory specifications , this heavy duty bracket minimizes impeller slippage during extended mowing Event , ensuring uniform grass height and turfed health across varied terrain Precise engineered Lawns Spring Arm Bracket ( Suitable for Time mastered 30 " 21200 / 21199 & 76cm 20975 / 20977 ) ensures optimal impeller drive arm tension for enhanced cutting stability and vibrations reduction Ideal for homeowners and professional landscapers requiring OEM standard components ( replaces 120 7043 / 2 PK 120 7043 ) to restoration without replacing entire assemblies Perfect for maintaining residential lawns , golf courses , or commercial landscapes where consistent cutting Precise and reduced operational vibrations are critical for professionals grade results, Manufacturer: ERRORY