General description The Starrett KDC13021 Universal Holesaw Kit is designed to meet a variety of cutting needs with its selection of sizes. This 15-piece kit features Deep Cut Bi-Metal Holesaws that provide aggressive material penetration and effective kerf clearance, making it ideal for solid materials or tubes with a wall thickness greater than 3mm. The kit is suitable for tradesmen, installation engineers, and DIY enthusiasts alike, and comes packed in a sturdy EVA carry case. Technical specifications Cutting depth: 51mm Holesaw sizes included: 20mm, 22mm, 25mm, 29mm, 32mm, 35mm, 38mm, 44mm, 51mm, 57mm, 64mm, 68mm, 76mm Includes 2 x Arbors: A1, A2 Material: Bi-Metal Other information Improved tooth material for enhanced heat and wear resistance Sturdy EVA carrying case included