Nu-Wave Manufacturing has released the newest additions to its line of Step-Ups. The SU-4 and SU-5 have been supersized. Both the SU-4XW and SU-5XW Step-Ups are designed using only superior materials for structural soundness providing top-notch quality. These products also offer the same great features as others in Nu-Wave’s Step-Up product line. In conjunction, a Telescoping Handrail that fits all its Step-Up models has also just been released.