A doc johnson exclusive! we have made and sold millions of our original classic 8′. it’s so popular, we combined it with another doc johnson powerhouse — the vac-u-lock harness system. made from our world famous anti-bacterial sil-a-gel material. this masterpiece measures 8 inches in length, 5 inches in circumference, and 1.75 inches in diameter. compatible with all vac-u-lock harnesses (not included). made in the usa.