Features: Fly tying vise with max jaw opening: 1mm,the jaw can hold hooks securely,The clamp fits for desk thickness: max. 43mm. Bobbin holder securely holds a spool(not included) of thread under tension when tying flies,save yourself time 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 needle help to knot,finish gluing and clear excess material. Come with a scissors. Specfication: Model: 5pcs / 6pcs (optional) Fly Tying Vise: (250g) 20.1cm / 7.9in Bobbin Threader: (6.3g) 13cm / 5.1in Bobbin Needle: (10.5g) 12.1cm / 4.8in Bobbin Holder: (12.5g) 10.5cm / 4.1in Whip Finisher: (8.5g) 13cm / 5.1in Whip Finisher: (5.8g) 12cm / 4.7in Scissors: (14g) 10.5cm / 4.1in Weight: approx. 41-291g / 1.5-10.3oz (5pcs Set)Package List: Package List: 1* Bobbin Threader 1* Bobbin Needle 1* Bobbin Holder 1* Whip Finisher 1* Scissors (6pcs Set)Package List: 1* Fly Tying Vise 1* Bobbin Threader 1* Bobbin Needle 1* Bobbin Holder 1* Whip Finisher 1* Scissors