This kit is designed for headrest assemblies that use plastic guides and headrest covers. It is compatible with rear plastic headrest sleeves and front headrest pins sized at 12 mm. The kit provides a practical solution for restoring function and fit in headrest hardware while maintaining a clean interior look. Key benefits Restores reliable headrest operation by renewing worn or damaged front pins, lock hole trim, and guide pins. Improves alignment and smooth adjustment of the headrest thanks to a dedicated 12 mm front pin and accompanying guide components. Supports upgrading headrest covers when a precise fit is required, helping prevent misalignment and looseness. Durable plastic construction offers resistance to wear in interior environments and helps maintain a clean appearance. Key attributes Functionality: and upgrade headrest hardware to restore locking, movement, and alignment. Compatibility: Designed to work with plastic guide systems, headrest covers, rear plastic headrest sleeves, and front headrest pins. Size: 12 mm front headrest pin specification referenced in the kit. Material: Plastic components designed for headrest interior use. Performance: Aims to provide secure fit and reliable operation of headrest adjustments. Included components (as indicated by the product title) Plastic guide Headrest cover compatible parts Rear plastic headrest sleeve 12 mm kit Front headrest pin Lock hole trim Headrest guide pin Two to three use cases Use case 1: Replacing a worn or damaged front headrest pin and lock hole trim in a vehicle with a 12 mm headrest pin to restore secure locking and proper tilt/height adjustment. Use case 2: Upgrading or refurbishing headrest components when installing or renewing a headrest cover, ensuring correct alignment and smooth operation with the plastic guide and sleeve. Use case 3: Rebuilding a headrest assembly after interior refurbishment or part loss, using the rear plastic sleeve and guide pin to restore original fit and function. Notes on compatibility and application Suitable for headrests that use a 12 mm front pin and corresponding plastic guide assemblies. Designed to work with headrest covers and rear plastic sleeves that rely on plastic guide components for proper alignment and operation. Ideal for repairs, upgrades, and refurbishments where a secure, properly aligned headrest is required. This description reflects the product's branding, specifications, model, and features as indicated by the title, without adding extraneous details.