Multiple apertures options from 4mm to 42mm accommodate various drill bits and milling cutter, offering multifunctional storage solution for tool Label friendly surfaces and stackable design optimize vertical space while tool mix up during intensive machining operations Constructed with ABS materials, this organizers resists wear and tear, ensuring long lasting without deformation Designed for machinists, craft enthusiasts, and professionals needing organized tool management in workshops or garages Streamlines your workspaces by securely storing bits and milling accessories, ideal for industrial projects or home garage setups, Manufacturer: SHANGYAKEJI