PENÇE model increases the traction with welded U-studs and drop forged spiked studs. Especially for softer terrains long welded U-studs provides excellent grip and drop forged spiked studs both increase the traction and operating life of PENÇE. In order to ensure long lasting of chain, flash welded rings are used which also provides easy mounting at worn tires with the help of adjustment elements. Side Chains: 13 – 16mm Wear & Connection Rings: 16 mm Welded U-Studs: 16 mm Drop – Forged Spiked Studs (Traction Links): 14 mm • Standard design is without tensioning chains but also available with tensioning system.