MacPherson Interchangeable Fork Strut Coil Spring Compressor Extractor Tool Set Product Details: Compresses all types of Macpherson style coil springs front and rear. Features a yoke extension bracket that also allows use on conical springs. Supplied with three pairs of different sized interchangeable yokes, For a wide range of vehicle applications. Safety yokes carefully shaped to stop the spring bowing while under compression. Yoke specification/size/suitability: Golden color: 65-125mm. Black color: 88-160mm. Silver color: 126-212mm. Maximum jaw opening: approx 12-1/2". Applicable For BMW: E31, E32, E34, E36, E39, Z3, Z3 coupe Applicable Mercedes: W163, 164, 171, 210, 211, 219, 230, 245, 251, 203 & 209 (4-matic only) NOT DESIGNED For USES WITH IMPACT WRENCHES/GUNS.