Comparison : Item # CRBC05008WWC1P0L, High rigidity type CRBC
Item # CRBC06008WWC1P0L, High rigidity type CRBC
Item # CRBC07008WWC1P0L, High rigidity type CRBC
Item # CRBC08008WWC1P0L, High rigidity type CRBC
Item # CRBC09008WWC1P0L, High rigidity type CRBC