Constructed using durable carbon steel, this leg press and hack squat machine is designed to withstand rigorous training sessions. Designed for Heavy-Duty Use, Perfect for Rigorous Workouts. 7-Level Adjustable Design for Versatile Use: Featuring a backrest with 3 adjustable positions and a safety limiter with 4 customizable levels, this leg press machine allows you to tailor your workout to your preferences, making it suitable for various fitness routines and accommodating the needs of the entire household.