caroller cobalt drill bit set 115 pcs, high speed steel m35 drill bits durable round shank drill sets for hardened steel, wood plastic, sheet metal, with metal index storage box (115pcs cobalt) is up for auction in Tools & Home Improvement. The current bid is $8.50, 93% below the $129.98 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.