This spare parts kit is designed to protect the power cord and keep the reel coil secure, reducing wear and downtime so your machine runs reliably. Function and benefits: Keeps the cord aligned and the coil in place, prevents tangles, and maintains proper tension for reliable operation. Material and durability: Made from metal and durable plastic for strong stability, impact resistance, and endurance in cold and oily environments. Installation: Includes 4 caps and 4 springs; simple to install on most standard cord reel assemblies. Compatibility and size: Designed for common cord reel sizes used in power tools, garden tools, and small machinery. Please verify your model's dimensions and reel style before . Performance and longevity: Fine workmanship supports long service life and consistent performance across use cycles. Use scenarios: Home workshop: retractable cord reels on drills, saws, and sanders. Garden tools: lawnmowers, trimmers, and leaf blowers with cord reels. Industrial/outdoor: equipment in cold or oily environments that require durable cord management.