1.Tested by SGS,acording to EN13377.2002 2.Top quality,low price. 3.Flange size:40*80mm 4.Web thickness:30mm Technical information: High grade raw materialTested by SGS according to EN13377 FlangeMaterial is spruce or radiata pine.Finger-jointed, high grade, solid woodFinger-jointed and gluing according to DIN 68140-1Web3-plywood or plywoodWood typesSpruce, Pine, a mixture of wood species ...