Our Balsamo coated with Treffert (German) anti-scratch lacquer on four sides can be installed without nails or glue, as we have Features and specifications:1) Tree origin: South America 2) Shiny and interlaced grain, very fine and highly precious3) Heavy woodiness, high strength4) Outstanding corrosion resistance5) Termite-proof, sorrel or maroon6) Flooring may be combined with 4-side buckled ...