28 Series Single Step 23-3/4" Tread
* SAFE. Safely supports up to 750 lbs. Thoroughly tested for reliability. Under step light. * STRONG. Heavy guage steel and durable powder-coated finish. Solid steel drive rods. Stainless steel bushings. Sealed wiring connectors. * SMART. Power steps feature automatic shut-down if step strikes obstacle. Logic Control Unit senses operating mode. "Last out" logic extends step one last time when you turn off ignition. 28 Series Single step: 5.88" thick x 24 1/4" wide with 10 3/8" tread. Total extension: 13 3/8"