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Aluminum Lightweight, sturdy, easy to use, Designed for quick field adjustments, sold as a Pair
3 Rung Model Mounts on either side of extension ladder
Accepts Stages to 20 in width
Recommended for use with 300 pound Type IA and 375 pound Type IAA extension ladders. (OSHA and ANSI allow use with 250 pound Type I extension ladders. )
PLATFORM CLAMP SYSTEM Clamp secures platform to ladder jacks and ties supporting ladders together to help secure entire ladder jack system

Recommended for use with 300 -Pound. Type IA and 375 -Pound. Type IAA extension ladders (OSHA and ANSI allow use with 250 -Pound., Type I extension ladders also). Clamp secures platform to ladder jacks and ties supporting ladders together to help secure entire ladder jack system. Sold as a pair..