iGrip Shoulder Racing Tire Stud ; - Oversized and pointed tungsten carbide - For enhanced traction - Hot-dipped steel and galvanized stud - Big tread for good anchoring - Lasting durability - Light - Easy to install and dismantle - Overall Length: 26mm - Stud Length: 28mm - Stud Diameter: 5mm (3/16) - Head Diameter: 6mm (15/64) - Carbide Diameter: 2mm - Quantity: 100