The Snap-on Palm Ratchet Wrench Extension Kit 117PALMSTR is a high-quality hand tool set designed for automotive use. This kit includes 16 pieces with drive sizes of 3/8 inches, ranging from 13mm to 8mm in metric measurements. Made in the United States by Snap-on, a reputable brand in the industry, this set features a palm ratchet design for easy handling and control. Perfect for professionals and DIY enthusiasts alike, this extension kit offers versatility and reliability for various mechanical tasks.