Multi-functional, spacious and comfortable, the N956 horizontal leg press also performs as a hip sled, calf raise and hack squat. Seat back reclines 90-180 degrees with a smooth fingertip adjustment lever; Shoulder pads adjust for a snug fit and varied lifting positions; Spacious seat carriage moves smoothly via SportsArt's linear bearing system; Heavy duty durable seat and shoulder cushion and back upholstery; 11-gauge (3 mm) steel oval tube frame means lasting strength; Rip-resistant marine quality upholstery with industrial strength cushioning; Dual powder-coated paint resists scratches and scuffs; Kevlar belts for quiet, smooth action and optimal tensile strength; coated cables have 2200 lb (998 kg) tensile strength aircraft cable