Makita 197212-5 Interlocking Case, Large/8-1/2" x 15-1/2" x 11-5/8" Innovative stackable case design for efficient organization, transporting and protection of tools Interlocking latches secure lid shut and link multiple cases together Corresponding channels along lid and base of case for stable, non-shift stacking Low-profile, rounded carrying handle for user comfort Compatible with SP6000J/J1 system, Festool Sustainer cases and other similar modular storage systems