ENPAC® RAMP EXTENDER - 29-1/2"L X 8-1/2"W X 5-1/2"H RAMP EXTENDER WORKS WITH THE ENPAC® POLY-RAMP™ TO ACCOMMODATE 17" HIGH PALLETS AND 2-DRUM HARDCOVER™. NO MORE RELYING ON EXPENSIVE AND OBTRUSIVE METAL RAMPS. SIMPLY RETROFIT YOUR EXISTING POLY-RAMP™ PART # 5039-BK WITH OUR RAMP EXTENDER.