ARKSEN Universal Interchangable MacPhearson Fork Strut Coil Spring Compressor Interchangeable Jaws For Endless Strut/Coil Combinations Heavy Duty Jaws Feature A Safety Lip That Hold The Spring Securely In Place Even Under Compression Safest Way Of Maintaining Coil Springs And Struts Compatible With Conical Springs Maximum Jaw Opening: 12-1/2"