Iron Core elasticity without blackeningRubber Wheel(65° Shore A)
Aluminum Core, elastic and non-dryingRubber Wheel(65° Shore A)
Full effect Wheel (American style)(65° Shore A)
Elastic full-effect Wheel (black and blue)(65° Shore A)
Aluminum Core Elastic Rubber Wheel(85° Shore A)
Iron Core Stretch Rubber Wheel(85° Shore A)
High temperature resistant Rubber Wheel
Stretch Rubber outer cover+Iron Core/Cast Iron Core
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