Pro Gold Ice Screws / Studs Length:5/8" E13 front is recommended for

E13 front is recommended for sand to medium and medium-hard terrain

snowmobiles and personal watercrafts (PWC)

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Compact design allows plenty of bed space

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Pro Gold Ice Screws / Studs Length:5/8" E13 front is recommended forWeekend 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