ON ZERO AIRCRAFT TOOL / MAINTENANCE BOX. Note inside crate indicating the following: "MAINTENANCE KIT / 20MM CANNON & / 7.7 MM. MACHINE-GUN / ON ZERO AIRCRAFT". Wooden crate measuring 15.5" x 10.25" x 4" w. 2 steel hinges and single handle. Very legible Japanese writing on top of box. Extremely complete, only 1 empty slot, missing 1 wrench. CONDITION: All tools in very nice condition. Stamping on each wrench clear & legible. (02-23899/JZ). $200-300
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