It Has A Strong Well Calibrated Five Springs Good For Exercising Your Chest And Arm Muscles. It Has Additional Five Spring Hand Grips Which Help In Exercising Your Lower Arm Muscles And Palm Tendons. Product Features : Type: Wall Pulley Material: Plastic/Carbon Spring Steel Wite Color: Yellow/Green Length: 67 Cm Spring Length: 27 Cm High Quality And Special Shape And Colors 5 Tubes And 2 Special Handles Different Resistance Level Strength Can Adjusted Chest Expander, Chest Pull Fits Into Pockets, Easy To Carry Around Perfect For At-Home Or Travel Fitness Adjustable And Interchangeable Cable Designed For All Strength Levels, Lite To Heavy.