The Performance Tool W88031 Heavy Duty Nut Splitter is ideal for safely and effectively removing rusted or damaged nuts without harming bolt threads. Constructed with a durable threaded splitting pin made from chrome vanadium steel and a black phosphate finish, this nut splitter ensures longevity. Its self-centering, floating, and heat-treated chisel tip easily splits nuts ranging from 7/16 inches to 7/8 inches across the flats, facilitating effortless removal. Crafted from drop-forged steel and chrome plated to resist corrosion, the tool is sturdy and reliable. Adjusting for different nut sizes is straightforward, requiring a 3/4-inch wrench or socket for the adjustment bolt and a 13/14-inch wrench to secure the body. Whether you're a professional mechanic or a do-it-yourself enthusiast, the Performance Tool Heavy Duty Nut Splitter is a reliable and safe solution for tackling stubborn nuts.