The Pasco 4528 is a plumbing tool set featuring a Kwik Tite wrench and an Angle-On wrench designed for installing, tightening, and removing angle stops and 3/8″ outlet supply nuts. Made of nickel-plated, precision-machined steel, this combination pack helps protect special finishes and is ideal for working on 3/8″ or 1/2″ MPT compression outlets.