Tri-Arc's Standard Fixed Steel Ladders are ideal for access to the roof, mezzanine or loading dock. This 18-inch wide ladder with safety yellow powder coat finish has side rails constructed from 2-1/2-inch x 3/8-inch flat bar, solid round 3/4-inch slip-resistant rungs, and 12-inch spacing between the rungs. With a height of 9-feet from top to bottom rung, this ladder also ships fully assembled. Tri-Arc’s Fixed Steel Ladders are engineered and manufactured in compliance with OSHA 1910.29 and ANSI A14.7 standards. 18-Inch ladder width Solid round 3/4-inch slip-resistant rungs 12-Inch spacing between rungs Powder coat safety yellow finish Meets osha & ansi standards ASIN B077VL9CKF Color Safety Yellow Brand Name Tri Arc Unit Count 1.0 Count Manufacturer Tri-Arc Manufacturing - Drop Ship Model Number WLFS0110-Y Load Capacity 500 pound Material Type Alloy Steel Maximum Height 9 Feet Number of Steps 10 Manufacturer Part Number WLFS0110-Y