[Compatible]This magnetic lanyard kit is compatible with for multimeters 23 III 50 II, 70 III, 77 IV, 80 IV, 180 series, 115 116 117 175 177 179, 15B+ 17B+ 18B+, 87V and 287 289. 7787B 77787C etc. [Strong Magnet ]Powerful magnets can be firmly adsorbed on any magnetic material, and the of the silicone protective cover can effectively protect the from scratches and extend the service life of the product. [Make Your Work Easier]Solve all hanging and positioning problems at work, free your hands, and make your work more efficient and easier. [Adjustable, Easy Click]The magnetic lanyard accessory is detachable and length-adjustable to better suit working scenarios. Material: Nylon + metal colour: Black Package Contents: 10 x lanyard 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.