Professional-grade hack squat machine engineered for superior performance and durability, featuring extended range progressive resistance and ISO compliance certification.

• High-quality British-standard steel tubing (80 x 50 x 3 mm) with high-precision welded pipes
• Constructed from 11-gauge steel for maximum structural integrity
• One-piece, integrally molded polyurethane foam cushion with calibrated firmness
• Seat, backrest, and round pads composed of high-density PU foam material
• Upholstered in 1.2 mm thick, premium-grade leather with color options available

• High-end international production processes including laser cutting, automated robotic welding, and precision CNC machining
• Rust-removal sandblasting process combined with electrostatic spraying technique
• Immersion-based pre-treatment process creating full-surface phosphating film
• Specialized dual-layer coating process with protective glaze layer
• Every frame undergoes electrostatic powder coating treatment for superior adhesion and durability