Large, modular, stackable Toughcase, designed for secure storage of accessories, with easy bit removal and replacement. Clear lid for easy bit identification. Contains a selection of bits including Extreme SDS Plus masonry drill bits, designed with a Toughcore tapered central core, increasing stability and durability and reducing breakage. Screwdriver bits feature optimised tip geometry for full fitment in the fastener and reduced cam-out. Can be connected and securely stacked with small, medium and large Toughcases via the locking system. Attach to a TSTAK for a complete system solution. For Use with SDS Plus or 3-Jaw Chuck Machines on Rotary Action Suitable for Metal, Masonry & Wood TSTAK Compatible For Use with SDS Plus or 3-Jaw Chuck Machines on Rotary Action Suitable for Metal, Masonry & Wood TSTAK Compatible