COMFORTABLE: Ergonomic design spreads pressure across hand, resulting in a comfortable, easy-to-use tool for easily inserting or removing studs into or from studdable bicycle tires CONVIENIENT TO USE: The tool uses a neodymium magnet inside the tip of the shaft to securely hold the tire stud for easy installation. DURABLE CONTRUCTION: The ergonomic tool body is constructed of solid, injection-molded PE plastic with a durable stainless steel shaft with magnetized tip to hold the bike stud. This tool will provide many years of faithful service. DESIGNED IN ALASKA: We have a lot of experience riding fat bikes and studding bike tires; this tool is the culmination of many years of bike shop experience. LIFETIME WARRANTY: If you are ever dissatisfied with the quality or workmanship of our stud insertion tool, contact us, and we will replace your tool for free. Designed in Anchorage, Alaska, the Stud Wrangler stud insertion tool from Billy Flamingo's Brand makes it easy to insert or remove studs in or from your studdable bike tire. This stud tool is a perfect compliment to Billy Flamingo's Stud Nuggets bike tire studs, but the tool works perfectly with all studs designed for studdable bicycle tires.