Scientific Angler Ultra Premium Backing
Ultra High Molecular Weight Polyethylene delivers an exceptional strength-to-diameter ratio, minimal stretch, and outstanding abrasion resistance, making it ideal for demanding fishing conditions.
- High strength-to-diameter ratio
- Round weave profile
- 65lb Hollow Core supports direct splicing to fly line for a smooth connection
- Vibrant colorfast finish that resists bleeding
- Made in the USA
| Specifications |
|---|
| Weight: 65lb (29.5kg) |
| Length: 350yd (320m) |
| Diameter: 0.02in (0.51mm) |
FAQ
What makes this backing different from standard fly line backing?
This backing is made from Ultra High Molecular Weight Polyethylene, offering superior strength-to-diameter ratio, low stretch, and excellent abrasion resistance compared to standard materials.
Can it be directly spliced to a fly line?
Yes, the 65lb Hollow Core design allows for direct splicing to create a smooth connection between the fly line and backing.
Is the color of the backing fade-resistant?
Yes, the vibrant colorfast process ensures the color will not bleed or fade during use.

William Clarkson –
This backing performs exceptionally well in saltwater conditions. The low stretch and durability make it a reliable choice for long casting sessions. Splicing to my fly line was seamless and the color stays bright even after extended use.
Joan Churchill –
I’ve used this backing in both freshwater and coastal environments. It holds up well against rocks and weeds. The hollow core design makes connection with my fly line easy and clean.
Theresa Coleman –
Strong and durable, though the diameter is slightly thinner than expected. Works well with my current setup and has shown no signs of wear after several weeks of regular use.