tavaliselt pleki- e lehtmetallivaltspink, mille valtstoolis on kuus või enam töö- ja tugivaltsi (vt valtspink; vrd duo-valtspink, trio-valtspink, kvarto-valtspink), a rolling mill in which each of the two working rolls of small diameter is supported by two or more larger diameter backup rolls (see: rolling mill; compare: two-high mill, three-high mill, four-high mill)