Non-conductive. QUICKLATCH equipped rung lock provides easier method of securing fly base sections when extended. Heavy duty plated steel swivel safety shoes with thick rubber tread. Shoe can be used with tread down or in spike position. D-shaped-tempered, serrated aluminum rungs provide for a slip-resistant surface. Mar-resistant rail end caps. Meets or exceeds the safety standards set by ANSI and OSHA. Dimensions: FE0616 side rails 3 in x 1-1/8 in wide, and FE0620 3-1/8 x 1-1/8 in , 1-5/8 in x 1-1/4 in rungs, 16-1/16 in outside fly width and 17-1/16 in outside base width. FE0616 does not include rope and pulley.