vouyar 4.5" tungsten carbide tipped hole saw drill bit for hard metal, 114.3mm hole cutter for sheet metal, stainless steel, iron, wood, plastic 4-1/2" is up for auction in Tools & Home Improvement. The current bid is $2.00, 92% below the $25.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.