Werner Square Rung Extension Ladder 4.83m Double (57711520)

The 577 Series 4.7m double section extension ladder is constructed using high grade aluminium and extends to 8.33m. Box section stiles provide added rigidity and sturdiness to ensure maximum performance on the job site. Features include unique wrap-around top clips with smooth-glide runners to reduce wear and tear, slip-resistant square shaped rungs, and a wide stabiliser for added safety during use. Approved to the latest EN131 standard. For Professional Use.

High performance robust box section stiles for durability
Heavy-duty wide stabiliser with slip-resistant feet for added safety
Integrated ladder level gauge for accurate positioning
Slip-resistant square rungs for comfort and security
Unique wrap-around top clips with smooth-glide runners to reduce wear and tear
Locking catches secure sections together for safe use and easy transportation
150kg load capacity**
Approved to the latest EN131 Standard
For Professional Use

Unique Selling Point Reach Greater Heights
Size 4.7m
Type Professional
Style Double Section
Approx. Product Weight (kg) 25.72kg
Max. Open Extended Length (m) 8.33m (27ft 4in)
Max. Standing Height (m) 7.05m (23ft 1in)
Safe Working Height (m) 8.8m (28ft 9in)
Number of Sections 2
Performance Professional
Material Aluminium
Colour of Ladder Rail Aluminium
Stabiliser Width (m) 1.2m (3ft 11in)
Ladder Width (m) 0.49m (1ft 7in)
Foot Material Plastic
Approx. Closed Length (m) 4.7m (15ft 5in)
Section x Rungs 2 x 16
Base Width (m) 1.2m (3ft 11in)
Certifications EN131 Professional and Non-Professional Use
Tread Type Square Rungs
Project Type Building and Maintenance
Max. Load (kg) 150kg (23st 9lb)
Guarantee 10 Year

*Safe Working Height based on 1.75m (5ft 9in) as the average reach height of a person
**Load includes user, tools, materials, etc.