We sell the good stuff ! Product Details Brand W5SWL Fits A Fahnestock clip is a type of spring metal terminal used primarily for making quick and temporary electrical connections, especially in educational or experimental circuits. A small, flat springy metal clip It has a loop or tab you press down to open the clip. When released, the clip springs back and holds a bare wire in place via tension. What It’s Used For Science experiments (especially in schools) Prototyping small circuits Old-style battery holders DIY and hobby electronics How It Works Press the tab to open the jaws. Insert the stripped end of a wire (solid wire works best). Release the tab, and the spring clamps the wire in place. To disconnect, press again and pull the wire out. Measures approximately 7/8" in length and about 5/16" wide. Stands about 3/8" tall when not in use. The mounting hole is for mounting and/or connection of the base wire. The hole diameter is about .118" (will fit a 6-32 bolt if you ream out the hole diameter a tiny amount). The metal is magnetic (ferrous). This is ONE clip, order more than one if you need more Shown wire in image not included. Quality Products for the More Knowledgeable and Experienced User ! From W5SWL