Series "WP" Work Platforms have a higher load capacity and larger platform for two people, plus tools. 50° climbing angle, legs rest on two 2-1/2" rubber pads. Two 4"rigid heavy duty casters on the rear are standard, the optional Cotterman® SafeLock® on the step side provides greater mobility. Steps and platforms are constructed of heavy duty serrated tread. Tread width option of 24" or 36". 36" high handrails with mid-rail are standard on 5 through 7 step models, 30" handrails optional on 2 through 4 step models. Gray powder coat steel finish is standard. Work platforms meet applicable OSHA and ANSI standards, CAL-OSHA models also available. Ships setup direct from mfg.