These Dremel spiral cutting bits are designed for cutting into drywall with a rotary multi tool. They are suitable for cutting straight or curved lines and can be used in conjunction with a circle cutting tool for creating perfect circular cutouts. The bits have specially designed smooth tips which prevent them from accidentally drilling into objects behind the drywall - such as hidden pipes and cables. Features & Benefits • Suitable for use with rotary multi tools • Allows for quick and precise cuts in drywall • Suitable for straight or curved cuts • Ideal for use with circle cutting jigs and attachments • Smooth tips designed to prevent accidental damage to pipes, cables and other hidden objects Specifications • Shank Diameter: 3.2mm • Working Diameter: 3.2mm • Working Length: 30mm • Total Length: 65.mm • Maximum Speed: 35,000 RPM Contents • Pack of 3