RuBee-frames® - our top quality, knot-free and planed
 with 0.5 mm stainless steel wire (retensionable)
 Wood thickness: Top beam 19 mm, ears trimmed to 10 mm
 Width of top beam support: 25 mm
 Dimensions: Top 470x28x19 Bottom part 435x28x10 Side part 300x28x10
 stapled and glued