The Klein 32905 is a bi-metal hole saw kit that contains the three most popular sizes for electrical work. It includes the 7/8-inch, 1-1/8-inch, and 1-3/8-inch (22, 29, and 35 mm) saws, an arbor, an arbor adapter, a spare pilot bit, and a hex key, enclosed in a rugged carrying case. These saws feature an optimized teeth for a consistent and quick cutting of steel. This is applicable to be used in both mild and stainless steel, drywall, wood, laminates, ceiling tile, and plastic. For tools that are of high-quality and of long-lasting performance, trust Klein. In partnership with PlumbersStock, these tools are now made available to you at an affordable price. Search yours now only here at PlumbersStock - your online plumbing store!