The CALI SPORT OTF04 Double Outdoor Air Walker is an outdoor fitness product built with electro-galvanized steel tubing and an outdoor-grade powder-coated finish. Main post: Ø114 × 3 mm. Dimensions: 2218 × 552 × 1192 mm, tolerance ±5%. It is designed for installation in public parks; residential communities; schools; resorts; outdoor gyms; recreational fitness areas.