1. Perfect Compatibility: Left & Right slide rail assembly with SL SR flex cables, custom-made exclusively for Nintendo Switch 2 Joy-Con controllers, fits perfectly without cutting or modification. 2. Full Functional Restoration: Fix common Joy-Con failures such as loose rail sliding, unresponsive SL/SR shoulder buttons, broken original flex ribbon cables and signal loss issues. 3. Premium OEM Standard Parts: The rail shell uses wear-resistant plastic, gold-plated flex cables ensure stable signal transmission, long service life for daily gaming. 4. Free Complete Repair Tool Kit: Comes with Y00 tri-wing screwdriver, cross screwdriver, plastic pry tools, meets all disassembly needs for DIY repair and game shops. 5. Easy DIY Installation: Pre-assembled rail + flex cable design, direct plug-and-play replacement, simple operation for amateur game repair enthusiasts.