★ WHAT YOU GET: Includes 11 hole saws: 3/4″(19mm), 7/8″(22mm), 1"(25mm), 1-1/8″(28mm), 1-3/8″(35mm), 1-1/2″(38mm), 1-3/4″(44mm), 2″(51mm), 2-1/8″(54mm), 2-1/4″(57mm), 2-1/2″(64mm) for needs in different situations, the cutting depth is 1-5/16"(33mm). Every hole saws have a arbor with drill bit. ★ EXCELLENT QUALITY: Made of high-speed steel and has the advantages of high hardness, high wear resistance and high heat resistance. Use special heating process to extend service life and protect rust. ★ GREAT HOLE CUTTING: Sharp teeth perfect for hole cutting on soft metal, wood, PVC board, plastic and drywall. Cutting clean, smooth and high precision. NOTE: Not recommend used in hard wood, hard metal and stone. ★ EASY TO USE: Different mandrels for saws of different sizes, compatible with most drills of other manufacturers. This hole saw kit is a great ideal for work where high performance and accuracy are needed. Meet most you needs. ★ AFTER-SALES SERVICE: If you find Any Problems when you ues it, feel free to cantact with us. We would try our best to assist you and ensure your satisfaction Laiwei Bi-Metal Hole Saw Kit - 11 Pcs Features: ✔ Needs just 1 pass to cut through studs; These hole saws are ideal for work where high performance and accuracy are needed. Excellent for cutting wood, plastic, machinable metal, nail embedded wood, plywood, pipes, and steel. ✔ High-speed steel cutting edge provides shock resistant teeth and resists tooth strippage. Soft, spring steel creates a flexible backing material that allows the hole saw to absorb impacts of the job of drilling holes in difficult-to-cut materials. ✔ Versatile cutter that can be used in a wide variety of applications; Ideal for plumbing, construction, aircraft, electrical, maintenance and automotive applications. ✔ Cuts faster, smoother without as much vibration as the others due to its variable pitch teeth; Creates holes for pipe and tubing installations, door lock installations, electrical conduit, hoses and antennas. Package Included: 3/4″(19mm), 7/8″(22mm), 1"(25mm), 1-1/8″(28mm), 1-3/8″(35mm), 1-1/2″(38mm), 1-3/4″(44mm), 2″(51mm), 2-1/8″(54mm), 2-1/4″(57mm), 2-1/2″(64mm) 11 kind of sizes bimetal hole saws NOTE: Please wear protective goggles and gloves when using the hole saw kit for your safety.