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 x 1-1/8 in W and FE0620 3-1/8 x 1-1/8 in, 1-5/8 x 1-1/4 in rungs, 16-1/16 in W outside fly and 17-1/16 in W outside base. FE0616 does not include rope and pulley.