Attributes: *5mm 3/16" Diamond Hole Saw *6mm 1/4" Diamond Hole Saw *8mm 5/16" Diamond Hole Saw *10mm 3/8" Diamond Hole Saw *12mm 1/2" Diamond Hole Saw Package Contents: *5Pieces Diamond Hole Saw UPTODATETOOLS Applications & Features: --- Designed for professionals and DIY enthusiasts, this set offers exceptional cutting power and durability for a wide range of materials. --- From plumbing and electrical installations to crafting and home improvement projects, our carbon steel diamond hole saw set is your go-to solution. Useful Tips: --- Place the tip of the carbon steel diamond hole saw on the desired drilling spot, ensuring that it is perpendicular to the workpiece surface. --- Begin drilling at a slow speed to allow the carbon steel hole saw to gradually penetrate the material. ---Once the drilling is complete, carefully remove the carbon steel hole saw from the drill. Clean any remaining debris from the hole and inspect the result to ensure it meets your requirements.