Pro Gold Ice Screws / StudsWeekend warrior or professional racer looking for exceptional ice traction, the Pro Gold ice racing screws are a staple for ice riders across North America. Don't want to invest the time and money into a full race setup, try screwing the shorter 1 2" or 5 8" length screws into the lugs. For the serious racer who can't risk the screws pulling out during a race, we advise using the 1 1 2" with a tire liner. Studs also make a nice alternative to chains