Check the listing for details. 5pcs Fly Tying Tools Combo Kit Fly Tying Vise Bobbin Holder Threader V1E0. Condition: New. Listed at 12.57 USD. Features: Bobbin holder securely holds a spool(not included) of thread under tension when tying flies,save yourself and easy to operate. Whip finisher speeds through knots,tying off files easily and quickly. Bobbin threader makes it easy to get even the smallest thread through your bobbin,eliminate your frustrations of trying to thread your bobbin by hand. Bobbin help to knot,finish gluing and clear excess material. Come with a . Specfication: Model: 5pcs / 6pcs (optional) Bobbin Threader: (6.3g) 13cm / 5.1in Bobbin : (10.5g) 12.1cm / 4.8in Bobbin Holder: (12.5g) 10.5cm / 4.1in Whip Finisher: (8.5g) 13cm / 5.1in Whip Finisher: () 12cm / 4.7in : (14g) 10.5cm / 4.1in Weight: approx. 41-291g / 1.5-10.3oz (5pcs Set)Package List: Package List: 1* Bobbin Threader 1* Bobbin 1* Bobbin Holder 1* Whip Finisher 1* (6pcs Set)Package List: Y26164-5 1* Fly Tying Vise 1* Bobbin Threader 1* Bobbin 1* Bobbin Holder 1* Whip Finisher 1*