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Crimp tubes for building pike fishing leaders and rigs
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| Name | Spro Matt Black Double Brass Crimp - 17 Klemmhülsen |
| EAN | 8716851336619 |
| MPN | 31792 |
| Brand | Spro |
| Material | Brass |
| Quantity | 17pieces |
| Crimp Size | 1mm |
| Crimp Type | Double Brass Crimp |
| Coating | Matte Black |
| Inner diameter | 1.0 mm |
| Outer diameter | 2.2 mm |
| Length | 8 mm |
Match the inner diameter to your line thickness. For 0.7–0.8mm thin fluorocarbon or light monofilament, use the 0.7 or 0.8mm size. For standard 1.0–1.2mm mono or hardmono, choose 1.0 or 1.2mm. For heavy steel wire and aggressive pike rigs, use 1.5mm. Always test a crimped connection by hand—it shouldn't slip when pulled firmly.
Double brass crimps have two channels, so when you thread the line through twice, it spreads the pressure evenly. This prevents line pinching, crushing, or breaking during crimping. The line sits flat inside the tube, resulting in stronger connections that don't slip. Single-channel crimps can crush mono and cut braided line—double brass protects both.
Yes. Spro specifically recommends these crimps for steel wire, titanium, hardmono, and all standard trace materials. The brass is softer than the wire, so it grips without damage. Stainless and carbon steel wires respond particularly well. Steel wire requires a quality crimp tool and firm, controlled pressure. Always test the loop after crimping—a proper crimp won't twist or slip.
Use a crimp tool that matches your crimp size—incorrect tool size is the main cause of failure. Thread the line through the crimp twice so it makes a loop inside. Position the crimp in the tool, align it properly, and squeeze slowly with firm, controlled pressure. Don't crush suddenly or jerk. Once crimped, the line should be completely rigid inside—no movement when pulled. If it slips, the crimp wasn't sealed completely. Most pros crimp 5–10 practice loops before fishing to build confidence and technique.
For most pike anglers, 17 crimps per pack is plenty. You can build 8–9 complete leaders or trace systems, or tie multiple snaps and loops on a single leader. If you fish frequently or fish in groups, consider keeping 2–3 packs in your tackle box. Learning to crimp efficiently (clean, first-time success) helps you get maximum use from each pack. Many experienced anglers don't need a new pack every season.
The length affects connection stability and appearance. 6mm crimps are compact and ideal for refined, low-profile leaders where you want minimal bulk. 8mm is the versatile middle ground, suitable for most pike rigs and standard leaders. 10mm crimps provide maximum length and strength, preferred for premium systems, heavy-duty rigs, and when durability is critical. Longer crimps distribute pressure over a larger area, creating slightly stronger connections. Choose 6mm for finesse, 8mm for general fishing, and 10mm for extreme conditions.
Absolutely. These crimps work with fluorocarbon, monofilament (soft or hard), braided line, and steel/titanium wire. The soft brass accommodates any material safely. Fluorocarbon and mono benefit especially from double brass crimps because they're prone to damage in single-channel tools. Braided line can fray if crushed in a single crimp, but double brass allows it to spread safely. Always match your crimp size to the material diameter—oversized crimps won't hold, undersized ones risk cutting.
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The Spro Matt Black Double Brass Crimp is the go-to solution for professional rig builders and pike anglers who demand reliable, damage-free line connections. Available in five carefully selected sizes, these crimps work with fluorocarbon, monofilament, hardmono, and steel wire—giving you a complete rigging system for any predator fishing situation.
Unlike single-channel crimps that can pinch or damage your line, these double brass crimps feature a dual-channel design. When you push the line through twice, it lies perfectly flat inside the crimp, allowing the tube to compress with even pressure. This means no kinks, no breaks, and connections that hold under the hardest fights. The matte black coating disappears in the water while protecting against corrosion.
Each pack contains 17 tubes, giving you enough crimps for multiple leaders, trace systems, or complete rig changes. The five sizes (0.7mm to 1.5mm inner diameter) let you match the perfect crimp to your line thickness—whether you're using gossamer-thin fluorocarbon for finicky pike or heavy steel wire for aggressive catfish rigs. Lengths range from 6mm for refined leaders to 10mm for premium systems.
Brass is softer than the line materials themselves, so it grips securely without cutting through. The brass deforms around your line, creating a mechanical lock that won't slip under load. Combined with the double-channel design, you get connections strong enough for 50kg+ pike or catfish.
Thread your line through the crimp twice so it forms a loop inside. Use a crimp tool (must match the crimp size) and apply steady pressure until fully flattened. Test the connection—it should hold firm with no slipping. Many anglers crimp their leaders at home and test them in the garden before fishing, ensuring zero failures on the water.
