General description These heavy-duty automotive suspension coil spring compressors are designed for strength and durability, featuring a one-piece, M12 EN8 drop-forged steel bolt. They are suitable for most vehicles equipped with coil springs and are essential for coil spring repair and replacement. Technical specifications Material: M12 EN8 drop-forged steel Compatibility: Suitable for most vehicles with coil springs Hex bolt socket size: Requires a 21mm socket (not supplied) Other information Professional tools backed by a 3-year quality warranty