Hole Saw, Primary Saw Application General Purpose, Tooth Material High Speed Steel, Arbor Design Built-In, Saw Dia. 1-1/4 In., Max. Cutting Depth 1/8 In., Application Mild Steel, Stainless Steel, Sheet Metal, Plastic, Teeth per Inch 8, Pitch Style Straight Pitch, Shank Size 1/4 In. Quick Change Hex