ADJUSTABLE RESISTANCE -Our Hand Grip Strenghtener Has Adjustable Resistance Levels To Accomoadate Users Of Different Strenght Levels. Users Can Start With Lower Resistance And Gradually ERGONOMIC DESIGN-Our Hand Grip Strenghtener With An Ergonomic Design EnsuresA Comfortable Grip Use . It Has Contoured Handles With A Non Slip Surface To prevent Slipping And Discomfort During Workouts. DURABLE CONSTRUCTION-Our Hand Grip Is Made Fron High Quality Materials Which Includes Stainless Steel Springs And Strurdy Thermoplastic Rubber Handles. This Ensures Durablity And Long Lasting Performance, Even With Regular Workouts