The M2 Weatherproof Magnetic Case is the perfect companion for your GL300 GPS tracker. It uses a sturdy magnetic mount that keeps your GPS tracker firmly attached to a vehicle or a large piece of equipment. Protect your GL300 from the road with the M2 weatherproof Magnetic Case. If you already have the GL300 GPS tracker you need to make sure that the device has the wherewithal to track vehicles and assets for long periods of time. The M2 weatherproof Magnetic Case is made from polycarbonate and acrylonitrile butadiene styrene (ABS). With its durable construction, the case will protect your GL300 GPS Tracker from just about everything. You can rest assured that your equipment will always be safe and secure In order to get reliable GPS tracking results, your GL300 needs to be firmly attached to whatever it is that you're tracking. The M2 Weatherproof Magnetic Case features a firm magnetic mount with a pull force of about 60 pounds.