PNEUMATIC INSERTION TOOL & DISTRIBUTORCSTA-1117C$581.88PriceQuantity*Add to CartItem weight1.85 KGFeaturesTungsten carbide. Galvanized hardened steel or aluminum stud. Good durability. Lightweight. Easy to install using an insertion tool. Pack of 1000.ApplicationsWinter tires with pre-molded holes. Tire manufacturers indicate the correct number of TSMI studs to use on the tire sidewall.