Industrial-Grade 5mm Spring for Enhanced Durability Our Thigh Exerciser features a robust 5mm industrial-grade spring, ensuring durability and consistent performance even after extensive use.Adjustable Resistance from 0-77 lbs with Visible Pressure Gauge Customize your workout intensity with adjustable resistance ranging from 0 to 77 lbs, monitored by a clear pressure gauge for precise control.Multi-Functional Design for Comprehensive Fitness Training Designed to strengthen your core muscles, glutes, and inner thighs, our device offers a versatile fitness solution.Built-In Smart Counter for Real-Time Progress Tracking Stay motivated with our integrated smart counter that accurately records each repetition, allowing you to monitor your progress in real-time.Ergonomic Triangular Structure with Anti-Slip Pads for Safety and Comfort The ergonomic triangular design, coupled with anti-slip pads, ensures stability and comfort during workouts, reducing the risk of discomfort.