Multifunctional large robust boxes with six removable dividers for flexible organization and storage. Fully compatible with the T-STAK Caddy. Plug-in system for small and medium-sized robust boxes. Torsion bits with special hardening for increased strength and longer lifespan, including two small Tic Tac boxes for storing small parts. HSS-G metal drill bits feature optimized tip geometry for better drilling progress. Core reinforcement and optimized spiral flutes ensure a longer lifespan and better break resistance. The non-slip shank provides better grip of the drill bit and optimal power transfer for clean and round holes.