Phoenix Tremolo Springs PH-32 (set of 5). Safe and secure warranty card included. Guitar maintenance and reconstruction! Product: Set of 5 springs for use with electric guitars. Spring intensity: Firm. Color: Only silver available. Size: Full length: 70mm, diameter: 8mm, weight: 11 grams. *per spring Safe and secure with a long-term written maker's guarantee (45 days). If by any chance you are dissatisfied with the product, please contact customer service. We will soon issue a refund or send a replacement product.