Item Detail Table of Content 9" Extension Adapters Item Number: NRI79328C Supplied by NORCO INDUSTRIES INC (see all) ITEM IS DISCONTINUED1-855-298-2687 Description 9" Extension Adapters. For model NRI79324F Rolling Lift Bridge. Warranty Limited Lifeitime Product Specification Weight (per pair)19 lbs. Dimensions9 x 4 x 6