Description: SAFE & SIMPLE OPERATION: Instructions guide simple use, selecting the best sizes for compressing the valve springs or dealing with cylinder heads safely during removal and installation from almost any automotive, motorcycle, or other small engine SOLID DURABLE CONSTRUCTION: Our C clamp and other parts are forged from carbon steel, heat treated and coated with black oxide to provide superior strength and corrosion resistance and withstand the stress of your compressed springs EASY STORAGE & TRANSPORT: The reinforced blow-molded case keeps everything organized, easy to carry, and just as convenient to stow away between jobs Package Include: .