Profile: Probe Master, Inc. offers oscilloscope probes, differential probes, DMM test leads, patch cords, BNC cables & breakouts and SMD grippers & test clips. Our 3900 series oscilloscope probe features a snap-on rotating ground lead, and a heavy duty fixed tip. The switchable model allows for quick finger tip change between 1X, 10X and reference ground. The probe body is made of high impact ABS. Soft molded strain reliefs at all stress points assure long cable life. Its accessories include sprung hook, 6 inch ground lead and trimmer tool. The 9100 modular series DMM test kits are available with up to 25 different modular plug-in accessories, such as sprung hooks, pincer hooks, wire piercing hooks, extender probes, alligator clips and 5-way telephone clips.