The 242002-7 is a 7ft heavy-duty fixed-point Handspike light weight and built for durability. Spike is not spring loaded and spacing between C and P probe tips is 0.35-inch. It fits DLRO10HD, DLRO10, DLRO10X, 247000, 247001, 247002, 247100, 247101 and BT51 digital low resistance ohmmeters.