Columna central de nivelación. Rango de movimiento 15 grados. Benro C1570T, C1580T, C1570F, C1580F, A1570T, A1580T, A1570F, A1580F, C1970T, C1980T, A1970T, A1980T, C1970F, C1980F, A1970F A1980F, C1680T, C1690T, A1680T, A1690T, C1682T, C1692T, A1682T, A1692T, C157m8, C157EX, C158m8, C158EX, A157m8, A157EX, A158m8, A158EX, C168m8, C168EX, C169m8, C169EX, A168m8, A168EX, A169m8, A169EX, C197m8, C198m8, A197m8, A198m8, C197EX, C198EX, A197EX, A198EX