The Saltwater Wood Trim Bobbin from Wasatch Custom Angling Products features an elongated sturdy stainless steel tube tipped with a finely polished ceramic insert to help protect fly tying threads from fraying or breaking under heavy tension. With polished brass balls for smooth spool rotation and a finely figured Cocobolo Wood handle grip, the Wasatch Saltwater Wood Trim Bobbin's longer reach, great looks, and dependable performance are sure to please!