To provide an implement of high performance and high accuracy which enables attachment of a contact probe with a narrow pitch, connects lead line for connecting with it without soldering, significantly reduces a cut wire, secures position fix of a receptacle and is mounted on a machine at a low cost.

The implement has a main body 1 for which the receptacle 5 and a sheathed wire 4 with Y terminal are solidified with hot melt. At the main body 1, an attaching hole 2 is provided for attaching and fixing the implement to the machine, and an inserting contact probe 6 is inserted to test continuity of an electronic part and an electric part.