The Klick and Ride, All Around Stud (Short) w/ Tungsten Carbide Tip is manufactured using high quality German stainless steel and measures 10mm. These studs are resistant to rust and require low maintenance. Designed for various ground conditions this stud will function well in arena footing, forest, and meadow/field terrains. Care and Maintenance - To keep your Klick and Ride studs in top condition perform the following after each use: Rinse with water to remove soil and pat dry Spray lightly with oil (WD-40) or similar and pat dry Store in Klick and Ride case