These hydraulically adjustable B2 Stairs, with non-slip gripstrut walking surfaces, tubular reinforced steps and platforms, are designed to make sure workers can perform their jobs safely. The unique switch back design minimizes the stair footprint and overall floor space needed. Being fully adjustable, the B2 stairs will allow maintenance and flight crew to board a variety of aircraft with little effort. Wilcox maintenance stairs are towable, manufactured from steel or aluminum, designed to be indoor or outside as they are engineered to withstand 100 km/60 mph wind gusts.