This is a set of ten box wrenches from Kyoto Tool (KTC). KTC is a well-loved and trusted brand of hand tools in Japan, with their wrenches being used across the automotive industry and by motorsports teams.
These low-profile wrenches are easy to use in narrow spaces, and maximize the force transferred to the bolts and nuts you’re working on. They’re strong and lightweight, and come in a resin molded tray.
Sizes included: 5.5x7mm, 8x10mm, 10x12mm, 11x13mm, 12x14mm, 14x17mm, 17x19mm, 19x21mm, 22x24mm, 24x27mm.