The Strong Magnetic Screw Ring is a universal magnetic screw ring bit accessory designed to work with hex screwdrivers and power bits. Its key function is to help hold screws in place while you drive them, making it suitable for projects where stable screw positioning matters. Depending on the set, you may receive different quantities and color combinations. Options listed include 2 PCS（blue+yellow）, 5 PCS, 1 PCS（green）, or 3 PCS（red+green+purple）. The product is specified with QTY variations and provides a set of magnetic ring bits for convenient use. For compliance consideration, the provided information indicates Prop 65 carcinogens are “No” and Prop 65 reproductive chemicals are “No.” It also states there are no dangerous goods or hazardous materials. No batteries are included.