DYNOFIT 6 Spline Tuner Lug Nuts Key for Wrench with 3 4 inch (19mm) and 13 16 inch(21mm) Hex, Aftermarket Lugnuts Socket Replacement Tool for 1 2 inch 12x1.5 12x1.25 Lug Nut 1 Year Warranty 6 Spline 3 4"(19mm) 13 16"(21mm) Hex Black healthJAPAN_March2024 multiples layers of materials home_improvement_Feb2025 multiples layers of materials mountain climbing Performance: The socket with durable teeth and shape is more safer while you are installing the lug nuts and all of our products past 72 hours salt spray tested which can promise a longer service life compared to 48 hours for others Works with multiple hex Socket:19mm(3 4'')&21mm(13 16'')