Smooth and flexible. over all length is 10.5". The insertable metal tip is 20mm /0.7" with 9mm/0.3" exposed from tubing being smooth and rounded hollow tip. Tubing is approx. 7.5" long and 5mm/0.2" in outer diameter. The hooked end from tubing to top ball is 66mm/2.6" long and 7mm/0.3" in diameter. It comes with 1 metal ring attached that measures 36mm/1.4" inner diameter and 1 small extra ring which measures 28mm/1" inner diameter.