This frame set has oak sidebars with hardwood dowels. Its great for medium to large projects. This convenient set makes six different sized frames Up to 10"x36" at a price much less than buying them separately. The set includes one pair of 8" and 10" solid oak stretcher/extender bars, a pair of 18", 24', and 36" scroll rods and 1 set of knobs. No cost options include your choice of the American Dream Products scroll rods with no basting system and 108in. of no basting tape for your fabric or scroll rods with basting strips (webbing).