Cornwell Quality Tools offers the 7-piece metric long high performance offset box wrench set No. WBWMLOHP7ST. The set features improved bolt head access and includes the following sizes: 8mm x 10mm, 11mm x 12mm, 13mm x 14mm, 15mm x 16mm, 17mm x 18mm, 19mm x 20mm and 21mm x 22mm.