The Performance Tool W84004 is a heavy-duty hydraulic valve lifter remover that features an expandable collet to tightly grasp hydraulic valve lifters, making removal quick and easy. With a specially designed slide hammer, this tool effortlessly frees even the tightest or most stuck lifters, while the knurled handle ensures a secure grip for precise control during operation. Made with high-quality steel, the W84004 is built to withstand heavy use and provide reliable performance. This versatile tool is compatible with a wide range of vehicles and engines, making it a must-have addition to any mechanic's tool collection. COLLET: Expands to tightly grasp hydraulic valve lifter allowing for easy removal SLIDE HAMMER: Specially designed to easily free tight or stuck lifters KNURLED HANDLE: Offers secure grip when in use DURABLE MATERIALS: High quality steel construction for long-lasting use