This magnetic probe is designed for use with a wide range of Fluke instruments, including the Fluke 190 series, FLUKE 3540 FC, FLUKE 1736 and 1738, FLUKE 434-II and 435-II, FLUKE 437 series, and FLUKE 438-II. The MP1 Magnetic Probe, also known as the probe, is an innovative accessory that features a magnetic tip specifically designed for use with 4mm safety test leads. The MP1 Magnetic Probe is rated CAT IV 600 V and CAT III 1000 V, ensuring its safety and suitability for a wide range of electrical applications. It can handle a maximum current of 4 A, making it suitable for both high and low current measurements. The design of the MP1 Magnetic Probe allows it to fit into recessed screw holes with a minimum diameter of 6 mm. The actual product may have slight color differences or variations, which does not affect use. Color: Black Material: plastic Package contents: 4 x Magnetic test probe Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.