This Universal Powerpack Adapter by Thermic is an excellent mounting device for attaching your Power pack batteries directly to your boots or to your power strap. By using this Universal Power pack Adapter you will not have to clip your batteries over the shell and fear them falling off. Two screws guarantee the firm hold to your boots. Attaching this Universal Power pack Adapters to your boots by drilling two holes and securing them with the supplied hardware. Easy to do, takes half an hour. Once the adapters are installed, your batteries can be easily attached, safe and secure. Just another way that Thermic is making your skiing experience in the great outdoors pleasurable and memorable. Ideal mounting device for attaching the Powerpacks to boots with synthetic cap or on the Velcro strap, Easy to install, Batteries will be secure to boots, GTIN: 9004290142601, Model Number: 012100002, Product ID: 109793, Model Year: 2018