WOODYS Chisel Tooth Snow Stud 1.06"The superior t nut style stud for grass drags and loose surface racing, as it grabs 30% more surface area than the standard Chisel Tooth stud. Through hardened carbon steel with wide, flat tip Must be paired with t nut of corresponding thread size T nuts not included Woodys recommends snowmobile studs protrude 1 4? to 3 8? over the track lug.