Textreme Bug Wool 1000 Den is a 100% natural wool tying thread, specially designed to create imitative and resistant fly bodies. Its size is perfectly suited to hooks up to No. 14, and its texture allows you to vary the finish depending on the tying: tightening the twist gives a natural segmentation, while loosening the thread creates a smoother, more uniform body. The outer fibers can also be worked with a dubbing brush to enhance the imitation effect. Used alone or in combination with other materials such as Magic Tinsel, this yarn is an excellent alternative to traditional dubbing. Packaged in 10-meter spools, it offers tyers a reliable and creative solution for all types of artificial flies.