Toca Black Mamba Mechanically Tuned 10" Djembe SFDMX-10BM. 10” Head, 20” Tall. Low bass tones and highs that cut. Key-tuning system. Shells are made of a lightweight, seamless, durable synthetic material. Authentic black-dyed goatskin head. Protective rubber bottom and tips on the tuning lugs. The Toca Mechanically Tuned Djembe has a lightweight and durable seamless synthetic shell that sounds great and travels well. The djembe's low mass tuning system allows fast, accurate tuning that stays in place. Protective rubber bottom and tips on tuning lugs protect your floor's finish. The drum's black finish with black hardware gives a striking look to go with its dynamic sounds, including an authentic goatskin head finished in black dye.