Set of 2 for 1/4 and 3/8 Storage case included Torque adjustment range (N・m): 17.2/39.9 Total length (mm): 223/269 Flare nut size: 1/4・3/8 inches Two-sided width dimensions (mm): 8 Set torque value (N・m): 17.2 ・39.9 :TA771BX1,TA771HX1,TA771CS(案例) 与双面宽度兼容(MM):17・2222