Medium Tough Case System Set Connectable Case allows multiple sets to be stacked and locked together. Dewalt Metal & Wood Drill Drive 55pcs. Set in Case Modular, stackable medium tough case. Designed for secure storage of accessories. Clear lid for easy bit identification. Use the locking system to connect the cases together, and securely stack with small, medium, and large Toughcases. Features: Medium Tough Case System Set Connectable Case allows multiple sets to be stacked and locked together. TSTAK compatible to hold all your accessory sets in one place. Compatible with the TSTAK system via the Large Tough Case. Flatwood bits have a bevelled pilot point tip. Bevelled outer cutting edges enable precise positioning of the drill and a clean hole. Flatwood bits have a thick, robust steel shank for added durability. 1/4" shank ensures easy and slip-proof clamping. Fast and accurate drilling. Metal drill bits are made from high speed steel for wear resistance and longer life. Metal drill