Stretcher bar can be used for all kinds of oil paintings,canvas prints and other artworks!! As following our main sizes16x30mm Stretcher Bar,18X40mm Stretcher Bar20X60mm Stretcher Bar,30X30mm Stretcher Bar38X35mm Stretcher Bar,50X40mm Stretcher Barwhich can be supplied with quantities ,quality and good services all the same!Surely we also can produce your favourite sizes with instructions!