• Train-Ethane Lite: Smooth and Fast Outdoor Urethane
• Reliable, Cost-effective Wheel for Quad Skaters
• Outdoor Surfaces from Smooth to Rough Roads
• Dual application for Rollerskate or Skateboarding

Sold in a set of 4 - get 2 sets for Rollerskates. 

Great all around roller-skate wheels which are also great as a fun and inexpensive cruiser/longboard slide wheel