This set came from a retired luthier.  All pieces are 20 years old.  Top is Sitka Spruce, very close grain and density is 0.38 g/cc.  Back, rib pieces and neck all from the same log.  Big Leaf Maple.  Density is 0.58 g/cc.  Note that neck block is 95mm wide so will need eyes added! Sitka Spruce Brace and Bass Bar Stock included. Dims: Front Wedge Set (25mm x 60mm x 360mm) x 1300mm long Flat Back Set 11mm x 325mm x 1300mm (each side) Matching Neck (95mm wide*) 860mm long Matching Ribs (5.8mm thk x 275mm x 1270mm) (Qty: 3)   Note: Set will need to be shipped in two boxes due to size/weight.  Total weight of shipments will be approx 90 lbs.  Additional shipping charges may be required depending on shipping location.