This 4piece set provides longboard wheels designed for a smooth, controlled ride with a balance of grip and glide. The wheels are described as sliding plate grinding wheels in a black finish, with a double warping design. Key features and benefits Includes 4 pieces: a complete set for multiple boards or as spares Size: 70 x 51 mm, a common longboard wheel dimension that offers stability and solid roll Durometer: 82A, soft enough to absorb road vibrations for a smoother ride on rough pavement Color: Black Design: Double Warping and Sliding Plate Grinding Wheel features, described in the listing Intended use: Longboard wheels suitable for cruising and slidingrelated applications Key attributes Functionality: Replaces worn or damaged wheels on longboards and provides a soft, comfortable ride Compatibility: Designed for longboard use (fits typical longboard setups) Size: 70 x 51 mm Material: Not specified in the listing Performance: 82A durometer supports smooth rolling and vibration absorption on uneven surfaces What's in the box 4 longboard wheels (black), described as Sliding Plate Grinding Wheel with Double Warping use cases Replacing worn wheels on a daily commuting or cruising longboard to restore smoothness and control Upgrading an old board for more comfortable rides on rough pavement during carving or casual cruising Practicing sliding techniques or light maneuvering on a longboard that benefits from softer wheels and stable grip Notes Material is not specified in the listing Brand and model details are not provided beyond the description in the product title Suitable for longboard applications as indicated by the size and description in the product title