Bulky (with 110 needles, 9 mm apart) Studio SR-150 ribber can be matched with the Studio mod. 150, Singer mod. 150, Empisal Knitmaster mod. 150 or Silver Reed SK150 knitting machines to convert them into double bed knitting assembly.

It also also identical to the Empisal Knitmaster SR150, Silver Reed SR150 and Singer SR150 ribbers.