Tein Coilover Adjustment Spanner Wrenches. Designed for heavy duty use, comfort, and increased work efficiency. Made from Chrome Vandium Steel with a beautiful Spectacular buff finish, these wrenches not only look great, but also a valuable tool for those who adjust their coilover's height frequently.

• Square Hole with 12.7mm (1/2 in) ID for spinner handle or the like
• Hexagonal Hole with 17mm ID to tighten top 17mm nut
• Compatible for seats with 70mm - 150mm OD
• Compatible with most seats due to small thickness of 6mm