Singer Sewing Machine Model 6012C. Singer 6012C is one of many top loading rotary hook sewing machines. This machines offers straight stitch and zig zag sewing with three preset needle positions and a four step button hole. Manual is included as well as the following accessories: special purpose presser foot, general purpose needle plate and presser foot (installed), buttonhole presser foot, zipper foot, friction free spool holder, small thread spool holder, needle pack, feed cover and 3 transparent bobbins.