Built for real-world tree work, Tightline Arb produces professional arborist climbing equipment designed by climbers with over 30 years of industry experience.
Based in the South West of England, our growing range of arborist equipment is developed with practicality, reliability and everyday usability in mind — from lightweight climbing accessories to innovative SRT equipment and arborist hardware.
Every product is created with genuine working experience behind it, focusing on dependable gear that performs in demanding environments without unnecessary complication.
Whether you're climbing daily, refining your setup or simply looking for reliable arborist equipment, Tightline Arb delivers straightforward gear designed by people who actually use it.
Introducing the new RISER SRT range
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RISER FOOT LOOP £14.99 -
RISER KNEE ASCENDER £69.99 -
RISER SRT CHEST HARNESS £29.99 -
FULL RISER ASCENDER SET £99.99
World Exclusive 8kn Mini Autolock Carabiner
The Wren 8KN Auto Locking Micro Carabiner is a compact, lightweight accessory carabiner designed for arborists, climbers and outdoor professionals who need dependable everyday equipment organisation.
Manufactured from high-strength 7075 aluminium, the Wren combines low weight with impressive durability in a compact 61mm format.
The auto-locking gate adds additional security compared to standard accessory clips, helping reduce accidental opening during use.
Despite its compact size, the Wren delivers an impressive 8kN strength rating, making it ideal for securing climbing accessories, organising equipment and general non-PPE arborist applications.
Designed for practical daily use, the Wren is lightweight enough for everyday carry while remaining durable enough for demanding outdoor environments.
Key Features
- Compact 61mm design 8kN auto-locking gate
- Lightweight 7075 aluminium construction
Corrosion-resistant anodised finish - Multiple colour options available
- Ideal for high impact arborist equipment Utility usage such as SRT Foot ascending tool strop attachment & organisation
Important Information;
The Wren is a NON PPE accessory carabiner and is not certified for life support use.
About us
With a passion for tree care and safety, we strive to offer top-notch products that meet the needs of arborists at all levels. Our team is dedicated to providing excellent customer service and ensuring a seamless shopping experience for our customers.