Darwin System

Darwin System (ND System) was developed by Nikken Lease Kogyo Co., Ltd. for solving many issues of the conventional system, such as, difficulty of holding, heaviness, narrowness, noisy and shaking. In order to overcome these issues, Darwin System are composed with the main light vertical member, the handrail priority and on-disk system wedge.


Main Vertical Member are 42.7mm (OD) x 2.4 mm (thick)

Tensile strength is 540 N/mm2 (STK 540)

Darwin System complies with ordinance on Industrial Safety and Health Act and Japanese Standard JIS A8961.