Description The AM145 Spring Extension, Wt Compensating is a high-quality replacement spring designed to provide consistent tension and weight compensation in compatible outdoor power equipment. Manufactured to OEM specifications (COX AM145), this durable extension spring ensures reliable performance and smooth operation for your machinery. Ideal for maintaining proper balance and reducing wear on moving parts, this spring is a direct fit for select models. Features Precision-engineered to OEM specifications for exact fit and reliable weight compensation. Constructed from durable, corrosion-resistant materials for long-lasting performance in outdoor conditions. Easy to install as a direct replacement part, minimising downtime. Specifications SKU AM145 OEM COX AM145 GA Spares - Fits COX AM145 compatible models Selected COX outdoor power equipment Product Line Springs & Hardware – weight compensating extension springs for power equipment.