1pc 42-047 339075B Precision Magnetic Blade Balancer – Metal/Aluminium Lawn Mower Replacement Accessory

Keep mower blades running true with the 42-047 Precision Blade Balancer (Replace for 339075B). This compact tool uses a static balancing design and a strong magnet to hold the blade while you check for imbalance, helping to lower vibration and extend engine life. Accurate balancing delivers smoother operation and better cutting performance. Constructed from metal and aluminium, the balancer offers a rugged, long-lasting build suited to regular garden use. An adjustable pair of tracking arms makes alignment checks straightforward, and the unit is compatible with multiple mower models, specifically listed as a replacement for 339075B.