This Performance Tool is a great addition to your automotive tool kit. With a 90 day warranty, you can trust the quality and durability of this product. It comes in a pack quantity of 1 and includes 4 items. The brand is well known for its reliable and high performance products. The manufacturer part number for this item is W32420, and it has a SKU of WIL:W32420. Please be aware that this product may contain chemicals known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Wa.