Description: 316 S.S. Push-Up Ski Tow Cut out-2-1/8" Stud size-5/16"
Dimensions: L: 3-3/4" - easy to install! Comes with a washer and nut already installed. When open, the pylon head has an opening to hold the tow rope and also rotates 360 degrees to give the skier the same effect as a standard pylon.