formed in the shaver head buttons 20 are provided so as to be engaged with and disengaged from the first engagement pawls 18 the head cover 14 covers the upper surface upper end of the shaver main body 10 except a part on its front side so that that part of the upper portion of the shaver main body 10 on the front side is exposed that exposed portion accommodates a fine shaving blade 22 more specifically the fine shaving blade 22 is provided to protrude upward by a manipulator 24 provided in the shaver main body 10 when using the fine shaving blade 22 the manipulator 24 is pushed upward to make the fine shaving blade 22 protrude upward in fig1 the fine shaving blade 22 is retracted in the shaver main body 10 the reference numeral 26 in fig1 is an electrical power switch when the electrical power switch is pressed once the motor in the shaver main body 10 starts running and when it is pressed once more the motor stops in fig2 the reference numeral 28 is an inner block secured on the inside of the upper part of the shaver main body 10 while 30 is an oscillator mounted in an opening in the inside block 28 the left and right edges of the oscillator 30 are secured by screws 34.