Product information, it is suitable for all battery and mains drilling screwdrivers, the BIM Progressor hole saw offers a double lifespan than its predecessor, for better durability it was provided with Bosch Bi-Metall with 8% cobalt alloy, it has an improved progressive Dental strip that enables faster cuts to use holes in wood, drywall walls, plastics, metals, non-iron metals and stainless steel , scope of delivery :, 1x Bosch hole sawing set Progressor for Wood and Metal, 14-piece universal set, 1x Swiss pocket knife from Victorinox - free!