Features: * With the right hole saw, cut or drill into copper, steel, or plastic pipe for up to 4 inch valves * Require a 1/2-inch drill motor, valves, and fittings that are all sold separately What"s In The Box: * Reed 08350 DM3MECH Mechanical Hot Tapping Machine * 7/16-inch Hex arbor * 1/4-inch drill bit * Hole saws: 5/8 in., 7/8 in., 1-1/8 in., 1-3/8 in., 1-3/4 in., 2-1/4 in., 3-1/4 in. * Allen wrenches * Tool box