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Petitjean Swiss Bobbin Knotter II

Marc Petitjean
(Code: 6454)
£ 169.97
1 In Stock
Petitjean Swiss Bobbin Knotter II is a precision fishing-line connection tool designed to create tight, controlled bindings between braided main line and heavy monofilament leader material. It is commonly used for PR-style braid-to-leader connections where a strong, compact and carefully tensioned joint is required.

Petitjean Swiss Bobbin Knotter Type 2

model accommodates monofilament from 0.6mm to 2mm in diameter, making it suitable for heavier saltwater, predator and specialist leader systems rather than conventional fine trout tippet. An adjustable drag allows the working tension to be controlled as the braid is wound around the leader.
Unlike Petitjean Swiss Bobbin Knotter Type 1 model, the Swiss Bobbin Knotter II is supplied with two interchangeable bobbins. They provide total working weights of 60g and 85g, allowing the angler to change the rotational feel of the tool without needing any tools to swap them.
Note - This is a fishing-line knotting tool and should not be confused with a conventional fly-tying bobbin holder.

Petitjean Swiss Bobbin Knotter II Key Features and Benefits

  • For heavy braid-to-leader connections: designed for joining braided main line to heavier monofilament leader material.
  • PR-style knot control: helps produce close, evenly tensioned wraps around the leader.
  • 0.6–2mm mono capacity: suitable for substantially heavier leader material than the Type 1 model.
  • PE 13 to PE 150 manufacturer rating: an alternative line-size reference corresponding with the stated 0.6–2mm diameter range.
  • Adjustable drag: allows the winding tension to be altered to suit the line and the connection being formed.
  • Two interchangeable bobbins: change between the two working weights without tools.
  • 60g or 85g working weight: choose the balance and rotational feel you prefer.
  • 25g difference between bobbins: provides a noticeably different working action while retaining the same knotter body.
  • Integrated mono holder: helps keep the leader positioned while the binding is formed.
  • Offset winding arm: provides clearance for easier rotation around the leader.
  • Six bobbin grip slots: make the bobbins easier to hold when loading line.
  • Suitable for boat use: compact enough to carry and use while fishing, although practising the technique beforehand is strongly recommended.
  • Protective soft pouch included: keeps the knotter and additional bobbin together when stored or transported.
  • Instructions and DVD supplied: useful when learning the correct winding and finishing sequence.
Note: Different line manufacturers may quote diameter and strength differently, the physical 0.6–2mm diameter measurement is the clearest compatibility guide. Always check the actual diameter printed on the leader spool.

Why Are There Two Different Weights on the Petitjean Swiss Bobbin Knotter Type 2

The quoted 60g and 85g figures are the total working weights of the knotter with each bobbin fitted. They are not the individual weights of the bobbins.
Bobbin B adds 25g to the working weight. In practical terms, this changes the balance and rotational momentum of the knotter:
  • Bobbin A – 60g: provides the lighter working configuration.
  • Bobbin B – 85g: provides an additional 25g of rotational mass.
The adjustable drag controls line tension separately, while the bobbin weight changes how the knotter feels and rotates. Anglers can select the combination that gives them the most comfortable and controlled action.


The Petitjean Swiss Bobbin Knotter II is particularly relevant for

  • Heavy braid-to-monofilament leader connections.
  • PR-style braid-to-fluorocarbon connections.
  • Saltwater and boat-fishing leader systems.
  • Heavy predator and pike-fishing leaders.
  • Specialist big-fish tackle requiring heavier shock or rubbing leaders.
  • Anglers who want more control over wrap tension than a basic fixed-tension bobbin provides.
The 0.6mm minimum capacity means this is not intended for ordinary fine trout leaders and tippets. For a monofilament range of 0.15–0.80mm choose the Petitjean Swiss Bobbin Knotter I

Top Tips for Using the Swiss Bobbin Knotter II

  • Practise before fishing: PR-style bobbin connections require some technique, even when using a well-designed tool.
  • Start with moderate drag: increase the tension gradually until the braid lays tightly and evenly without digging unpredictably into the leader.
  • Keep every wrap close: neat, consistent turns are essential when creating a compact connection.
  • Allow sufficient braid: load enough braid onto the bobbin before starting the connection.
  • Try both bobbin weights: the best choice depends on the rotational feel and level of control you prefer.
  • Do not select by breaking strain alone: check that the leader’s physical diameter is within the 0.6–2mm range.
  • Follow the finishing sequence carefully: use the supplied written instructions and DVD until the complete process becomes familiar.
  • Clean after saltwater use: follow the manufacturer’s care instructions, dry the tool thoroughly and keep the moving parts clean.
  • Inspect every completed connection: check that the wraps are tight, even and properly finished before fishing.

What Is Included with the Petitjean Swiss Bobbin Knotter II

  • Petitjean Swiss Bobbin Knotter II body.
  • Bobbin A.
  • Interchangeable Bobbin B.
  • Soft protective pouch.
  • Written instructions.
  • Instructional DVD.

Petitjean Swiss Bobbin Knotter II FAQs



What knot is the Petitjean Swiss Bobbin Knotter II used for?
It is used to form bobbin-wrapped connections between braided main line and monofilament leader material. These are commonly described as PR or PR-style braid-to-leader connections.

Can it be used with fluorocarbon?
It can be used with suitable monofilament leader materials within the stated 0.6–2mm diameter range. When using fluorocarbon, check its actual diameter rather than relying solely on the quoted breaking strain.

Why does the Type 2 come with two bobbins?
The two bobbins provide different total working weights. Bobbin A gives a 60g configuration, while Bobbin B increases the working weight to 85g. This changes the balance and rotational feel of the knotter; line tension is controlled separately through the adjustable drag.

Do I need tools to change the bobbins?
No. The two bobbins are designed to be interchangeable without tools.

Should I choose the Type 1 or Type 2?
Choose Type 1 for mono from 0.15–0.80mm. Choose Type 2 for heavier mono from 0.6–2mm, or when you want the flexibility of two interchangeable working weights.

Does the Type 2 have a fixed bobbin?
No. The Type 2 is supplied with two interchangeable bobbins. The fixed-bobbin design applies to the smaller-capacity Type 1 model.
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