Artino Blackwood Cello Bow 4/4 Special Edition for Thomann`s, without any tropical wood, Fiberglass-stick, with Blackwood frog. Blackwood is an excellent alternative for ebony in terms of sound, appearance, haptics, playability and durability. Blackwood is made of plantation-grown and industrially hardened pinewood (Pinus radiata). Using Blackwood protects natural ebony resources and helps to preserve tropical rainforests. Nickel mountings.