Specifications

EXCEPTIONALLY ROBUST AND BUILT TO LAST

Square rungs for added

security during use

Available in double and

triple styles

577SERIES

PROFESSIONAL EXTENSION LADDERS

Box section stiles for

maximum strength and

durability.

High performance ladder level gauge

for accurate positioning

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577SERIES PROFESSIONAL EXTENSION LADDERS Box section stiles for maximum strength and durability.
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577SERIES PROFESSIONAL EXTENSION LADDERS 150kg • Box section stiles designed to ensure the ladder is lightweight but strong MAX. LOAD • Slip-resistant square rungs for maximum safety (Load includes user, tools, materials, etc.) during use • Easy to use push-up operation SPECIFICATIONS Product Section Code x Rungs Closed Length Open Length Safe Working Weight Height* DOUBLE SECTION 57711020 2x6 1.83m (6´) 2.95m (9´8˝) 57711120 2x8 2.40m (7´10˝) 4.08m (13´4˝) 4.75m (15´6˝) 10.12kg 4.