Its is a steel profiles sinüs plated with special design for heavy load transition other name of this product is steel floor expansion joing profile. With the help of sinüs shaped joint gaps, it blocks the gap between wheels and joints and helps the wheels meeting with surface cleary. With these sinüs plated expansion joint profiles there is no restriction abaout the type of vehicle. And also these profiles let the turck forklifts and transpalattes an easy transition without any damage and dilatation joints (Steel dilatation profiles).