- Professional tool for compressing and extracting valve springs in car and light truck engines - Allows you to remove the valve spring without disassembling the cylinder head, saving time and effort - Sturdy carbon steel construction with anti-rust finish, high strength and long service life - Ergonomic handle with locking system, easy handling and less fatigue during use - Universal fit for most vehicles, wide applicability and versatile functions - Recommended for mechanics, workshops, and automotive maintenance enthusiasts