Puller

This slider (1) is provided with: a slider body (10); a pull tab (5) provided with a mounting shaft part (8); a stop claw body (40) provided with a claw part (44); a stopper member (50) disposed in parallel with the stop claw body (40) in the slider width direction; and the cover body (30) is fixed on the upper wing plate (20) of the puller body (10) in a cantilever shape. A pull tab insertion gap (16) is provided between the upper wing plate (20) and the free end of the cover body (30), and the stopper member (50) is supported so as to be rotatable between a passing position at which the pull tab insertion gap (16) is opened and a blocking position at which the pull tab insertion gap (16) is blocked, and has a shape so as to be movable rearward in the longitudinal direction when rotated from the blocking position. According to the slider (1), the pull piece (5) can be installed on the slider main body part (2) of the slider (1), and the pull piece (5) can be prevented from accidentally falling off from the s