Hole Saw Kit, Primary Material Application Metal, Materials Brass, Arbor Design Not Included, Tooth Material Tungsten Carbide, Max. Cutting Depth 10 mm, Number of Hole Saws 5, Saw Size Range 3/4 in to 1 3/8 in, Hole Saw Sizes (Hole Saws) 3/4 in, 7/8 in, 1 in, 1 1/4 in, 1 3/8 in, Shank Size 1/4 in Hex, Pilot Drill Size 6 mm dia X 52 mm L, Number of Pieces 7