To prevent a scald due to high temperature oil in the replacement of oil for a motorcycle by housing a shaft rotatably interlocked with a grip in a shaft case and mounting a rotor consisting of a rotary member, coiled spring and fitting member to a tip part transmitting part.
In a rectangular wrench 1, a shaft part 2 is composed of a shaft case 2a, preventing plate 2c and grip part 2d, and a transmitting part 2d is provided in the tip part of the case 2a. A rotor 3 composed of a fitted member 3a, coiled spring 3b and rotary member 3c is mounted to the transmitting part 2d at a right angle to the case 2a. Also, the shaft in the case 2a is formed on the tip with a bevel gear meshing with a bevel gear formed on the rotary member 3c, and the turning force of the shaft is transmitted to the rotary member, while a removably attached member 4 fixed to the rotary member 3c is also rotated. Also in the removably attached member 4 is formed a fitting groove having a magnet on the bottom.
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