45NRTH XL STUDSLOOKING LIKE A STUDRiding in icy and snowy conditions just got easier. The 45NRTH XL Studs feature a concave carbide-aluminum design. They have a super-sized concave crown that creates open space and inside edges of the bowl, resulting in twice the surface area for increased traction and grip. The concave tip adds durability and longevity, the aluminum base saves weight, and the studs are compatible with the 45NRTH stud insertion tool. Features XL Stud with a larger carbide tip diameter for increased traction Concave tip for durability and longevity Aluminum base reduces the overall weight | 45Nrth | Xl Studs 25 Pack