Adapt to different conditions with the Canterbury Performance Long Stud Pack in Training Silver, replacement studs that work with all adult Phoenix Genesis and Speed Infinite soft ground boots. With four 15mm and eight 13mm aluminium soft ground studs included, the Canterbury Performance stud pack has everything you need to replace lost or damaged studs or adjust your boots to better fit the onpitch conditions. The extra length helps you to bite into the turf and keep your grip on the wettest, muddiest pitches, and the sturdy aluminium construction offers superb durability. Canterbury Performance long stud pack Four 15mm and eight 13mm aluminium soft ground studs included Works with all adult Phoenix Genesis and Speed Infinite soft ground boots Screwin Durable aluminium build