Check the listing for details. Diablo DHS16SEL 16 Piece Electrician's Bi‑Metal Hole Saw Set-NEW. Condition: New. Listed at 119.00 USD. NEW IN FACTORY PACKAGING Diablo's 16-Piece Bi-Metal Hole Saw Set for Electricians features five (10) bi-metal hole saw cups, 2 Snap-Lock Plus™ mandrels, 2 pilot bits and 2 adaptor nuts (1/2” and 5/8”) for quick and easy hole saw cup changes for maximum job performance. This new, high-performance hole saw set delivers faster cutting performance and increased productivity versus standard bi-metal hole saws. Unlike anything on the market, Diablo’s hole saws and Snap-Lock Plus™ mandrel system simplify the attachment process for fast and efficient hole saw mounting.60 mm (2-3/8") cutting depth for 40% deeper holes in 1 pass and increased productivity1-size fits all mandrel fits all Diablo hole saws, from 5/8" to 6" diameterTool-free plug ejection for fast material removalVariable tooth design provides faster cuts with less vibrationSizes included: 7/8", 1-1/8”, 1-3/8”, 1-3/4”, 2”, 2-1/2”, 3”, 3-5/8”, 4-1/8”, 4-1/2”, 2 Mandrils, 2 Pilot Bits, (2) Adaptor Nuts