Precision engineered for top quality fly tying performance, the Stonfo Elite Disc Drag Bobbin features a weighted stainless steel carriage, with quick adjusting brake system which allows tiers to dial in perfect thread tension. Complete with a hardened steel tip insert to prevent fraying, and a counter-sunk feed that ensures threads glide smoothly through the barrel tube, the Stonfo Elite Disc Drag Bobbin is guaranteed to please.