| 摘要 |
<p>OBJECT An object of the present invention is to prevent a socket from falling off by means of a simple and compact configuration without impairing comfort and ease of use, regardless of model. SOLUTION TO THE PROBLEM In an impact driver 1A, a connecting ring 22 in which a protrusion 28 including a through hole 29 protrudes from an outer periphery thereof is clamped detachably to an outer periphery of a shaft support portion 13 of a hammer case. By a carabiner 35 passing through a ring 34 of a socket 30 and the through hole 29 in the connecting ring 22 and engaging the carabiner 35, a socket portion 31 can be prevented from falling off when a bit portion 32 is broken.</p> |
