The ends are molded into the shape of the fuse itself. Uses existing fuse to maintain overload protection. Convenient way to connect your DMM or hand held scope. Connects DMM or Hand Held Scope directly into circuit - time saving product - fits snug into fuse socket for more accurate measurements Circuit amperage testing made easy. This unit adapts any DMM to plug into fuse socket for measuring circuit amperage draw. With the FUSE BUDDY digital multimeter adapter, a good electrical connection is made and the adapter fits snug and tight. In addition, the circuit remains protected by the existing fuse - no danger of overloading. It's a convenient way to connect your DMM or hand held scope directly into the circuit - time saving product - fits snug into fuse socket for more accurate measurements.