Affordable Intermediate Level Fingerboard Wheels, Durable Single Bearing, Hardness 103A, SIZE: 7.45mm X 4.4mm Square Shaped, with Large Contact Surface, Perfect for Oldschool/ Cruiser or Vert Setups *Include 4 Wheels Only * Designed to fit all tuned Trucks. Will also Run on BRT / YT (washer required) Workshop Tested.