Keep in Your Garage or Tool Box: Ideal for replacing rusted and broken lug nuts; This lug nut socket is suitable for large vehicle applications such as trucks and large SUVs 10 Spline Lug Nut Tool Key: This lug nut key is a replacement for TA23-21/22; It is compatible with Bimecc 10-Spline lug nuts and lug bolts Necessary Tool for New Lug Nuts: The lug nut key features a dual 21mm (13/16") and 22mm (7/8") metric hex drive; Whether replacing locking lug bolts, brake pads, or changing tires, this lug nut key is a must-have Quality Materials: Made of high-quality thick alloy steel for improved tolerance and strength; The robustness and durability of this spline lug nut socket provides a safer user experience Attention: Before using the wheel lug nut socket, ensure the socket spline matches the spline of the lug bolt and nut, otherwise the socket may break; This 10 spline lug nut key is designed for use with hand wrenches only and is not suitable for use with impact tools