Canvas stretcher bars with tongue & groove,Pnie wood,25*25,20*35cm 1.7*3.7/1.6 ... .5/1.6*3.6/3.8*3.8CM ItemPine wood Stretcher bar/ canvas stretcher bar /wooden stretcher bar /canvas ... stretcher bar /canvas frame/painting frameWood Type Paulownia, Fir, Pine Profile 1.6*3.6/1.6*2.5/1 ... ,photo frame,oil painting frame and so onStyleTongue and groove Pine wood stretcher bar with Tongue and groove