LMX59 & LMX60 Magnetic weight stack pins with coil leash (8 - 10mm) The LMX59 & LMX60 Magnetic weight stack pins with coil leash are the ideal solution for safely and efficiently selecting the desired weight on your weight stack. These reinforced steel pins are equipped with powerful magnets, ensuring that the pin will not fall out of the weight stack. The flexible coil leash ensures you won’t lose the pin, allowing you to quickly and easily adjust your weight. Available in two different sizes, depending on the thickness of the pin you need.