WORKPRO 32-piece Ratcheting Screwdriver Set 6X-Speed Dual-drive with Bits Patented Double Drive technology with 3 ratchets, 6 times faster than standard screwdriver Ergonomic handle with non slip rubber grip with bits storage Multiple sizes of bits for numerous applications Heat-treated precision ground bits tip for greater strength. Magnetic components for drop-safe bit changing Patented Double Drive technology with 3 ratchets, 6 times faster than standard screwdriver Ergonomic handle with non slip rubber grip with bits storage Multiple sizes of bits for numerous applications Heat-treated precision ground bits tip for greater strength