gallery canvas tenon stretcher bar Material: Fir wood, Pine wood, Paulownia wood. Size: 1.4x3.0cm 1 ... assembly, we only use timber(paulownia, fir, ZHejiang pine and Mongolian Scotch Pine) kiln dried to 8%-12% moisture content. ... stretcher bars IFR404040 x 40mmPlaneFir woodPlane stretcher bars II Pine wood stretcher barsItemDeepth x WidthTypeMaterialParticularPN4532L45 x 32mmInclinePine woodNo cutting ...